Canning is a method of preserving food in which the food contents are processed and sealed in an airtight container. Canning provides a shelf life typically ranging from one to five years, although under specific circumstances it can be much longer.[1] A freeze-dried canned product, such as canned dried lentils, could last as long as 30 years in an edible state. In 1974, samples of canned food from the wreck of the Bertrand, a steamboat that sank in the Missouri River in 1865, were tested by the National Food Processors Association. Although appearance, smell and vitamin content had deteriorated, there was no trace of microbial growth and the 109-year-old food was determined to be still safe to eat.[2]

TAG Andy Warhol Soup Can 01
Special-edition steel soup cans commemorating Andy Warhol's paintings
Berthold Weiss Canned Foods
The Berthold-Weiss Factory, one of the first large canned food factories in Csepel-Budapest (1885)
Canned food factory (1898)
How canned food was made, picture from Albert Seigneurie's Grocery Encyclopedia (1898). Retorts can be seen.

History and development of canning

French origins

During the first years of the Napoleonic Wars, the French government offered a hefty cash award of 12,000 francs to any inventor who could devise a cheap and effective method of preserving large amounts of food. The larger armies of the period required increased and regular supplies of quality food. Limited food availability was among the factors limiting military campaigns to the summer and autumn months. In 1809, Nicolas Appert, a French confectioner and brewer, observed that food cooked inside a jar did not spoil unless the seals leaked, and developed a method of sealing food in glass jars.[3] Appert was awarded the prize in 1810 by Count Montelivert, a French minister of the interior.[4] The reason for lack of spoilage was unknown at the time, since it would be another 50 years before Louis Pasteur demonstrated the role of microbes in food spoilage.

Appert canning jar
Appert Nicolas
Nicolas Appert, developer of the canning process

The French Army began experimenting with issuing canned foods to its soldiers, but the slow process of canning foods and the even slower development and transport stages prevented the army from shipping large amounts across the French Empire, and the war ended before the process was perfected.

Following the end of the Napoleonic Wars, the canning process was gradually employed in other European countries and in the US.

In the United Kingdom

Thinktank Birmingham - object 1982S03573(1)
A Dixie Can Sealer for home use. Now in Thinktank, Birmingham Science Museum.

Based on Appert's methods of food preservation, the tin can process was allegedly developed by Frenchman Philippe de Girard, who came to London and used British merchant Peter Durand as an agent to patent his own idea in 1810.[5] Durand did not pursue food canning himself, selling his patent in 1811 to Bryan Donkin and John Hall, who were in business as Donkin Hall and Gamble, of Bermondsey.[6] Bryan Donkin developed the process of packaging food in sealed airtight cans, made of tinned wrought iron. Initially, the canning process was slow and labour-intensive, as each large can had to be hand-made, and took up to six hours to cook, making canned food too expensive for ordinary people.

The main market for the food at this stage was the British Army and Royal Navy. By 1817 Donkin recorded that he had sold £3000 worth of canned meat in six months. In 1824 Sir William Edward Parry took canned beef and pea soup with him on his voyage to the Arctic in HMS Fury, during his search for a northwestern passage to India. In 1829, Admiral Sir James Ross also took canned food to the Arctic, as did Sir John Franklin in 1845.[7] Some of his stores were found by the search expedition led by Captain (later Admiral Sir) Leopold McClintock in 1857. One of these cans was opened in 1939, and was edible and nutritious, though it was not analysed for contamination by the lead solder used in its manufacture.

In Europe

During the mid-19th century, canned food became a status symbol amongst middle-class households in Europe, being something of a frivolous novelty. Early methods of manufacture employed poisonous lead solder for sealing the cans. Studies in the 1980s attributed the lead from the cans as a factor in the disastrous outcome of the 1845 Franklin expedition to chart and navigate the Northwest Passage.[8] Later studies found this to be false.[9]

Increasing mechanization of the canning process, coupled with a huge increase in urban populations across Europe, resulted in a rising demand for canned food. A number of inventions and improvements followed, and by the 1860s smaller machine-made steel cans were possible, and the time to cook food in sealed cans had been reduced from around six hours to thirty minutes.

In the United States

Canning stewpan advertisement
1914 magazine advertisement for cookware with instructions for home canning

Canned food also began to spread beyond Europe – Robert Ayars established the first American canning factory in New York City in 1812, using improved tin-plated wrought-iron cans for preserving oysters, meats, fruits and vegetables. Demand for canned food greatly increased during wars. Large-scale wars in the nineteenth century, such as the Crimean War, American Civil War, and Franco-Prussian War introduced increasing numbers of working-class men to canned food, and allowed canning companies to expand their businesses to meet military demands for non-perishable food, allowing companies to manufacture in bulk and sell to wider civilian markets after wars ended. Urban populations in Victorian Britain demanded ever-increasing quantities of cheap, varied, quality food that they could keep at home without having to go shopping daily. In response, companies such as Underwood, Nestlé, Heinz, and others provided quality canned food for sale to working class city-dwellers. In particular, Crosse and Blackwell took over the concern of Donkin Hall and Gamble. The late 19th century saw the range of canned food available to urban populations greatly increase, as canners competed with each other using novel foodstuffs, highly decorated printed labels, and lower prices.

World War I

Demand for canned food skyrocketed during World War I, as military commanders sought vast quantities of cheap, high-calorie food to feed their millions of soldiers, which could be transported safely, survive trench conditions, and not spoil in transport. Throughout the war, soldiers generally subsisted on low-quality canned foodstuffs, such as the British "Bully Beef" (cheap corned beef), pork and beans, canned sausages, and Maconochies Irish Stew, but by 1916, widespread dissatisfaction with cheap canned food amongst soldiers resulted in militaries purchasing better-quality food to improve morale and the complete meals in a can began to appear. In 1917, the French Army began issuing canned French cuisine, such as coq au vin, Beef Bourguignon and Vichyssoise while the Italian Army experimented with canned ravioli, spaghetti bolognese, Minestrone and Pasta e fagioli. Shortages of canned food in the British Army in 1917 led to the government issuing cigarettes and amphetamines to soldiers to suppress their appetites. After the war, companies that had supplied military canned food improved the quality of their goods for civilian sale.


The original fragile and heavy glass containers presented challenges for transportation, and glass jars were largely replaced in commercial canneries with cylindrical tin can or wrought-iron canisters (later shortened to "cans") following the work of Peter Durand (1810). Cans are cheaper and quicker to make, and much less fragile than glass jars. Glass jars have remained popular for some high-value products and in home canning. Can openers were not invented for another thirty years — at first, soldiers had to cut the cans open with bayonets or smash them open with rocks. Today, tin-coated steel is the material most commonly used. Laminate vacuum pouches are also used for canning, such as used in MREs and Capri Sun drinks.

To prevent the food from being spoiled before and during containment, a number of methods are used: pasteurisation, boiling (and other applications of high temperature over a period of time), refrigeration, freezing, drying, vacuum treatment, antimicrobial agents that are natural to the recipe of the foods being preserved, a sufficient dose of ionizing radiation, submersion in a strong saline solution, acid, base, osmotically extreme (for example very sugary) or other microbially-challenging environments.

Other than sterilization, no method is perfectly dependable as a preservative. For example, the microorganism Clostridium botulinum (which causes botulism) can only be eliminated at temperatures above the boiling point of water.

From a public safety point of view, foods with low acidity (a pH more than 4.6) need sterilization under high temperature (116–130 °C). To achieve temperatures above the boiling point requires the use of a pressure canner. Foods that must be pressure canned include most vegetables, meat, seafood, poultry, and dairy products. The only foods that may be safely canned in an ordinary boiling water bath are highly acidic ones with a pH below 4.6,[10] such as fruits, pickled vegetables, or other foods to which acidic additives have been added.

Double seams

Invented in 1888 by Max Ams,[11] modern double seams provide an airtight seal to the tin can. This airtight nature is crucial to keeping micro-organisms out of the can and keeping its contents sealed inside. Thus, double seamed cans are also known as Sanitary Cans. Developed in 1900 in Europe, this sort of can was made of the traditional cylindrical body made with tin plate. The two ends (lids) were attached using what is now called a double seam. A can thus sealed is impervious to contamination by creating two tight continuous folds between the can's cylindrical body and the lids. This eliminated the need for solder and allowed improvements in manufacturing speed, reducing cost.

Double seaming uses rollers to shape the can, lid and the final double seam. To make a sanitary can and lid suitable for double seaming, manufacture begins with a sheet of coated tin plate. To create the can body, rectangles are cut and curled around a die, and welded together creating a cylinder with a side seam.

Rollers are then used to flare out one or both ends of the cylinder to create a quarter circle flange around the circumference. Precision is required to ensure that the welded sides are perfectly aligned, as any misalignment will cause inconsistent flange shape, compromising its integrity.

A circle is then cut from the sheet using a die cutter. The circle is shaped in a stamping press to create a downward countersink to fit snugly into the can body. The result can be compared to an upside down and very flat top hat. The outer edge is then curled down and around about 140 degrees using rollers to create the end curl.

The result is a steel tube with a flanged edge, and a countersunk steel disc with a curled edge. A rubber compound is put inside the curl.


HK Food Grass Jelly Canned with Tinplate a
Opened can

The body and end are brought together in a seamer and held in place by the base plate and chuck, respectively. The base plate provides a sure footing for the can body during the seaming operation and the chuck fits snugly into the end (lid). The result is the countersink of the end sits inside the top of the can body just below the flange. The end curl protrudes slightly beyond the flange.

First operation

Once brought together in the seamer, the seaming head presses a first operation roller against the end curl. The end curl is pressed against the flange curling it in toward the body and under the flange. The flange is also bent downward, and the end and body are now loosely joined together. The first operation roller is then retracted. At this point five thicknesses of steel exist in the seam. From the outside in they are:

  • End
  • Flange
  • End Curl
  • Body
  • Countersink

Second operation

The seaming head then engages the second operation roller against the partly formed seam. The second operation presses all five steel components together tightly to form the final seal. The five layers in the final seam are then called; a) End, b) Body Hook, c) Cover Hook, d) Body, e) Countersink. All sanitary cans require a filling medium within the seam because otherwise the metal-to-metal contact will not maintain a hermetic seal. In most cases, a rubberized compound is placed inside the end curl radius, forming the critical seal between the end and the body.

Probably the most important innovation since the introduction of double seams is the welded side seam. Prior to the welded side seam, the can body was folded and/or soldered together, leaving a relatively thick side seam. The thick side seam required that the side seam end juncture at the end curl to have more metal to curl around before closing in behind the Body Hook or flange, with a greater opportunity for error.

Seamer setup and quality assurance

Many different parts during the seaming process are critical in ensuring that a can is airtight and vacuum sealed. The dangers of a can that is not hermetically sealed are contamination by foreign objects (bacteria or fungicide sprays), or that the can could leak or spoil.

One important part is the seamer setup. This process is usually performed by an experienced technician. Amongst the parts that need setup are seamer rolls and chucks which have to be set in their exact position (using a feeler gauge or a clearance gauge). The lifter pressure and position, roll and chuck designs, tooling wear, and bearing wear all contribute to a good double seam.

Incorrect setups can be non-intuitive. For example, due to the springback effect, a seam can appear loose, when in reality it was closed too tight and has opened up like a spring. For this reason, experienced operators and good seamer setup are critical to ensure that double seams are properly closed.

Quality control usually involves taking full cans from the line – one per seamer head, at least once or twice per shift, and performing a teardown operation (wrinkle/tightness), mechanical tests (external thickness, seamer length/height and countersink) as well as cutting the seam open with a twin blade saw and measuring with a double seam inspection system. The combination of these measurements will determine the seam's quality.

Use of a statistical process control (SPC) software in conjunction with a manual double-seam monitor, computerized double seam scanner, or even a fully automatic double seam inspection system makes the laborious process of double seam inspection faster and much more accurate. Statistically tracking the performance of each head or seaming station of the can seamer allows for better prediction of can seamer issues, and may be used to plan maintenance when convenient, rather than to simply react after bad or unsafe cans have been produced.[12]

Nutritional value

Canning is a way of processing food to extend its shelf life. The idea is to make food available and edible long after the processing time. A 1997 study found that canned fruits and vegetables are as rich with dietary fiber and vitamins as the same corresponding fresh or frozen foods, and in some cases the canned products are richer than their fresh or frozen counterparts.[13] The heating process during canning appears to make dietary fiber more soluble, and therefore more readily fermented in the colon into gases and physiologically active byproducts. Canned tomatoes have a higher available lycopene content. Consequently, canned meat and vegetables are often among the list of food items that are stocked during emergencies.[14]

Potential hazards

Women working in a cannery
Women working in a cannery

In the beginning of the 19th century the process of canning foods was mainly done by small canneries. These canneries were full of overlooked sanitation problems, such as poor hygiene and unsanitary work environments. Since the refrigerator did not exist and industrial canning standards were not set in place it was very common for contaminated cans to slip onto the grocery store shelves. [15]

Migration of can components

In canning toxicology, migration is the movement of substances from the can itself into the contents.[16] Potential toxic substances that can migrate are lead, causing lead poisoning, or bisphenol A (BPA), a potential endocrine disruptor that is an ingredient in the epoxy commonly used to coat the inner surface of cans. Some cans are manufactured with a BPA-free enamel lining produced from plant oils and resins.[17] On 20 February 2018, Packaging Digest reported that "At least 90%" of food cans no longer contained BPA.[18]

Salt content

Salt (sodium chloride), dissolved in water, is used in the canning process.[19] As a result, canned food can be a major source of dietary salt.[20] Too much salt increases the risk of health problems, including high blood pressure. Therefore, health authorities have recommended limitations of dietary sodium.[21][22][23][24][25] Many canned products are available in low-salt and no-salt alternatives.

Rinsing thoroughly after opening may reduce the amount of salt in canned foods, since much of the salt content is thought to be in the liquid, rather than the food itself.[26]


Foodborne botulism results from contaminated foodstuffs in which C. botulinum spores have been allowed to germinate and produce botulism toxin,[27] and this typically occurs in canned non-acidic food substances that have not received a strong enough thermal heat treatment. C. botulinum prefers low oxygen environments and is a poor competitor to other bacteria, but its spores are resistant to thermal treatments. When a canned food is sterilized insufficiently, most other bacteria besides the C. botulinum spores are killed, and the spores can germinate and produce botulism toxin.[27] Botulism is a rare but serious paralytic illness, leading to paralysis that typically starts with the muscles of the face and then spreads towards the limbs.[28] The botulinum toxin is extremely dangerous because it cannot be detected by sight or smell, and ingestion of even a small amount of the toxin can be deadly.[29] In severe forms, it leads to paralysis of the breathing muscles and causes respiratory failure. In view of this life-threatening complication, all suspected cases of botulism are treated as medical emergencies, and public health officials are usually involved to prevent further cases from the same source.[28]

Canning and economic recession

Canned goods and canning supplies sell particularly well in times of recession due to the tendency of financially stressed individuals to engage in cocooning, a term used by retail analysts to describe the phenomenon in which people choose to stay at home instead of adding expenditures to their budget by dining out and socializing outside the home.

In February 2009 during a recession, the United States saw an 11.5% rise in sales of canning-related items.[30]

Some communities in the US have county canning centers which are available for teaching canning, or shared community kitchens which can be rented for canning one's own foods.[31]

In popular culture

There was a 1956 US documentary The Miracle of the Can that mentions the Pea Tenderomiter for the canning trade.[32]

Notable canned foods

Tomata en pot (Harker & Badia, Museu Valencià d'Etnologia)
Harker & Badia canned tomatoes. Valencia, 1920s.

See also


  1. ^ "Arctic Explorers Uncover (and Eat) 60-Year-Old Food Stash". Smithsonian. Retrieved 7 November 2018.
  2. ^ Blumenthal, Dale (September 1990). "The Canning Process; Old Preservation Technique Goes Modern". FDA Consumer.
  3. ^ (in French) Archived 7 February 2009 at the Wayback Machine
  4. ^ Applied Nutrition and Food Technology, Jesse D. Dagoon, 1989; pg. 2.
  5. ^ Geoghegan, Tom (21 April 2013). "BBC News – The story of how the tin can nearly wasn't". Archived from the original on 6 June 2013. Retrieved 4 June 2013.
  6. ^ A brief account of Bryan Donkin FRS and the company he founded 150 years ago. Bryan Donkin Company, Chesterfield, 1953
  7. ^ Oxford Dictionary of National Biography
  8. ^ "Canned Food Sealed Icemen's Fate". History Today.
  9. ^ "Researchers acquit the tins in mysterious failed Franklin expedition".
  10. ^ William Schafer (9 January 2009). "Home Canning Tomatoes". Archived from the original on 1 July 2010. Retrieved 2010-07-14.
  11. ^ Mark Q. Sutton, Archaeological laboratory methods: an introduction Archived 4 December 2017 at the Wayback Machine, Kendall/Hunt Pub., 1996, p. 172
  12. ^ Quality Assurance for the Food Industry: A Practical Approach by J. Andres Vasconcellos
  13. ^ Rickman (2007). "Nutritional comparison of fresh, frozen, and canned fruits and vegetables". Journal of the Science of Food and Agriculture. 87 (7): 1185–1196. doi:10.1002/jsfa.2824.
  14. ^ "Food Supplies To Stock For Emergencies". Archived from the original on 4 November 2012. Retrieved 11 April 2012.
  15. ^ Petrick, G. (2008). Feeding the masses: H.J. Heinz and the creation of industrial food. Endeavour, 33(1), 29–34.
  16. ^ Clive Maier; Theresa Calafut (2008). Polypropylene: The Definitive User's Guide and Databook. Elsevier Science. ISBN 978-0-08-095041-9. Archived from the original on 4 December 2017.
  17. ^ "Can-Don't: Cooking Canned Foods in Their Own Containers Comes with Risks". Scientific American. 2017. "Can-Don't: Cooking Canned Foods in Their Own Containers Comes with Risks". Archived from the original on 17 October 2017. Retrieved 17 October 2017. Accessed 2017-10-17
  18. ^ Lisa McTeague Pierce, "Most Food Cans No Longer Use BPA in Their Linings," Packaging Digest, 20 February 2018. "Most food cans no longer use BPA in their linings". 2018-02-20. Accessed 2018-16-6
  19. ^ Definition of brine Archived 4 August 2015 at the Wayback Machine, BusinessDictionary
  20. ^ "Sodium (Salt or Sodium Chloride)". 24 May 2010. Archived from the original on 8 February 2010.
  21. ^ "American Heart Association 2010 Dietary Guidelines" (PDF). 2010 Dietary Guidelines. American Heart Association. 23 January 2009. Archived from the original (PDF) on 24 January 2011. Retrieved 16 May 2010.
  22. ^ "Nutrient Reference Values for Australia and New Zealand – Sodium". Nutrient Reference Values for Australia and New Zealand. Australian Government National Health and Medical Research Council/ New Zealand Ministry of Health. Archived from the original on 29 September 2009. Retrieved 16 May 2010.
  23. ^ "Dietary Guidelines focus on sodium intake, sugary drinks, dairy alternatives". Food Decision News Media. 27 April 2010. Archived from the original on 6 May 2010. Retrieved 16 May 2010.
  24. ^ "Sodium Chloride". Eat Well, Be Well. UK Government Food Standards Agency. Archived from the original on 7 October 2010. Retrieved 16 May 2010.
  25. ^ "Health Canada, Healthy Living, Sodium". Healthy Living. Health Canada. 2008. Archived from the original on 4 March 2010. Retrieved 16 May 2010.
  26. ^ "How to Remove Sodium From Canned Vegetables". Retrieved 7 November 2018.
  27. ^ a b Botox and Botulism? Beauty and the Beast? Archived 28 February 2010 at the Wayback Machine From Ingrid Koo, Ph.D., for Updated: 16 December 2008
  28. ^ a b Sobel J (October 2005). "Botulism". Clin. Infect. Dis. 41 (8): 1167–73. doi:10.1086/444507. PMID 16163636.
  29. ^ "Home-Canned Foods | Botulism | CDC". 2017-07-14. Retrieved 2018-03-17.
  30. ^ Gregory, Sean (11 March 2009). "What Sells in a Recession: Canned Goods and Condoms". Time. Archived from the original on 16 April 2010. Retrieved 28 April 2010.
  31. ^ Canneries, Canning Centers, Community Kitchens, Commercial Kitchesn for Rent, Local Canning Resources and Food Business Incubators – Commercial Canning for Your Home Produce Archived 18 April 2015 at the Wayback Machine,
  32. ^ "The Miracle of the Can". YouTube. American Can Company. Archived from the original on 23 May 2014. Retrieved 10 July 2014.

External links

Business magnate

A business magnate or industrialist is an entrepreneur of great influence, importance, or standing in a particular enterprise or field of business. The term characteristically refers to a wealthy entrepreneur or investor who controls, through personal business ownership or dominant shareholding position, a firm or industry whose goods or services are widely consumed. Such individuals may also be called czars, moguls, proprietors, tycoons, taipans, barons, or oligarchs.

Canning, Nova Scotia

Canning is a village in northeastern Kings County, Nova Scotia located at the crossroads of Route 221 and Route 358.

Canning I

Canning I is a community development block that forms an administrative division in Canning subdivision of South 24 Parganas district in the Indian state of West Bengal.

It is located 42 km from Alipore, the district headquarters.

Canning II

Canning II is a community development block that forms an administrative division in Canning subdivision of South 24 Parganas district in the Indian state of West Bengal.

It is located 38 km from Alipore, the district headquarters.

Canning Paschim

Canning Paschim (Vidhan Sabha constituency) is an assembly constituency in South 24 Parganas district in the Indian state of West Bengal. It is reserved for scheduled castes.

Canning Purba

Canning Purba (Vidhan Sabha constituency) is an assembly constituency in South 24 Parganas district in the Indian state of West Bengal.

Canning River (Western Australia)

The Canning River (Djarlgarra in Nyungar) is a major tributary of the Swan River in south western Western Australia.

Canning Town

Canning Town is a district in east London, England. Historically part of Essex, it has formed part of the London Borough of Newham since 1965. It is located in the area of the former Royal Docks on the north side of the River Thames, and is the location of Rathbone Market. Despite being a neighbour to many affluent London Docklands developments, Canning Town remains among the 5 per cent most deprived areas in the UK, with many long term residents suffering from poor health, low education and poverty.

The area is undergoing significant regeneration as of 2012. According to Newham Council: "The Canning Town and Custom House Regeneration Programme includes the building of up to 10,000 new homes, creation of thousands of new jobs and two improved town centres. This £3.7 billion project aims to transform the area physically, socially and economically."

Canning Town station

Canning Town is a London Underground, Docklands Light Railway (DLR) and London Buses station in Canning Town in London, England. It is designed as an intermodal metro and bus station. On 11 November 2015 the Mayor of London announced that it would be rezoned to be on the boundary of Travelcard Zone 2 and Travelcard Zone 3. Until 1873 it was known as Barking Road.

Canning subdivision

Canning subdivision is a subdivision of South 24 Parganas district in the Indian State of West Bengal. It consists of four community development blocks (Canning I, Canning II, Basanti and Gosaba). The four community development blocks contain 10 census towns and 46 gram panchayats. The subdivision has its headquarters in Canning.

Charles Canning, 1st Earl Canning

Charles John Canning, 1st Earl Canning (14 December 1812 – 17 June 1862), also known as The Viscount Canning and Clemency Canning was an English statesman and Governor-General of India during the Indian Rebellion of 1857 and the first Viceroy of India after the transfer of power from the East India Company to the Crown of Queen Victoria in 1858 after the rebellion was crushed. Canning is credited for ensuing that the administration and most departments of the government functioned normally during the rebellion and took major administrative decisions even when peak of the Rebellion in 1857 including establishing of the first three modern Universities in India, the University of Calcutta, University of Madras and University of Bombay based on Wood's despatch. Canning passed the Hindu Widows' Remarriage Act, 1856 which was drafted by his predecessor Lord Dalhousie before the rebellion. After the rebellion he presided over a smooth transfer and reorganisation of government from the East India company to the crown, the Indian Penal Code was drafted in 1860 based on the code drafted by Macaulay and came into force in 1862. Canning met the rebellion '"with firmness, confidence, magnanimity and calm" as per his biographer. Canning was very firm during the rebellion but after that he focused on reconciliation and reconstruction rather than retribution and issued a clemency proclamation.

City of Canning

The City of Canning is a local government area in the southeastern suburbs of the Western Australian capital city of Perth, about 10 kilometres (6 mi) southeast of Perth's central business district. The City covers an area of 64.8 square kilometres (25.0 sq mi) and had a population of approximately 90,000 as at the 2016 Census.

Food and Canning Workers' Union

The South African Food and Canning Workers' Union was established in 1941 by Rachel Simons. It was a founder member of the South African Congress of Trade Unions.

It spread through the fruit canning industry of the Boland, Western Cape and up the west coast among fishing communities. Many of the members were women.

In 1945 it obtained a Wage Determination for the fish canning industry which improved wages and working conditions.Oscar Mpetha became the General Secretary in 1951.

In 1979 it organised a successful consumer boycott. At that time it had about 25000 members.It was one of the members of the Federation of South African Trade Unions established in 1979.

In 1982 Dr Neil Aggett was the leader of the union, though unpaid. He was detained on 27 November 1981 and died in detention.

It amalgamated with the Sweet, Food and Allied Workers' Union and the Retail and Allied Workers' Union to form the Food and Allied Workers Union

Fort Canning Hill

Fort Canning Hill, formerly Government Hill, Singapore Hill and Bukit Larangan (Forbidden Hill in Malay), is a small hill about 48 metres (157 ft) high in the southeast portion of the island city-state of Singapore, within the Central Area that forms Singapore's central business district. Although small in physical size, it has a long history intertwined with that of the city-state due to its location as the highest elevation within walking distance to the city's civic district within the Downtown Core. It is also a popular venue for music shows and concerts.

The Malays called the hill Bukit Larangan or Forbidden Hill since olden times. This is due to the belief that it is the place where the kings of ancient Singapore were laid to rest, and it was believed to be haunted. It is also believed that a palace once stood on the hill. A settlement on the hill in the 14th century was named Ban Zu (from the Malay pancur) by the Yuan dynasty traveller Wang Dayuan. Later Sir Stamford Raffles built his residence there, which was also used by other Residents and Governors. It became known as Government Hill until it was renamed Fort Canning in 1861 when a fort was built on the site. Today it is the location of the Fort Canning Reservoir and Fort Canning Park.

George Canning

George Canning (11 April 1770 – 8 August 1827) was a British Tory statesman who served as Prime Minister of the United Kingdom from April to August 1827. He occupied various senior cabinet positions under numerous prime ministers, before eventually serving himself as Prime Minister for the final four months of his life.

The son of an actress and a failed businessman and lawyer, Canning was supported financially by his uncle, Stratford Canning, which allowed him to attend Eton College and Christ Church, Oxford. Canning entered politics in 1793 and rose rapidly. He was Paymaster of the Forces (1800–01) and Treasurer of the Navy (1804–06) under William Pitt the Younger. Canning was Foreign Secretary (1807–09) under the Duke of Portland, who was ill. Canning was the dominant figure in the cabinet and directed the seizure of the Danish fleet in 1807 to assure Britain's naval supremacy over Napoleon. In 1809, he was wounded in a duel with his foe Lord Castlereagh and was shortly thereafter passed over as a successor to the Duke of Portland in favour of Spencer Perceval. He remained out of high office until after Perceval was assassinated in 1812.

Canning subsequently served under new Prime Minister the Earl of Liverpool as British Ambassador to Portugal (1814–16), President of the Board of Control (1816–21), and Foreign Secretary and Leader of the House of Commons (1822–27). The King disliked Canning and there were efforts to frustrate his foreign policies. Canning, however, successfully built wide public support for his policies. Historian Paul Hayes argues that he scored major achievements in diplomatic relations regarding Spain and Portugal, by helping to guarantee the independence of the American colonies of Portugal (i.e. Brazil) and Spain. His policies ensured a major trading advantage to British merchants and supported the Americans' Monroe Doctrine.

When Lord Liverpool resigned in April 1827, Canning was chosen to succeed him as Prime Minister ahead of the Duke of Wellington and Sir Robert Peel. They both declined to serve under Canning and the Tories split between Peel and Wellington's Ultra-Tories and the Canningites. Canning then invited several Whigs to join his cabinet. However, his health collapsed and he died in office in August 1827, after just 119 days in office, the shortest tenure of any British Prime Minister.

Joe Canning

Joe Canning (born 11 October 1988) is an Irish hurler who plays for Galway Senior Championship club Portumna and at inter-county level with the Galway senior hurling team. He currently lines out as a centre-forward.

Sealdah South lines

Sealdah South lines are a set of four lines from Sealdah railway station connecting Sealdah with Budge Budge, Canning, Diamond Harbour and Namkhana. It is a part of the Kolkata Suburban Railway system and is under the jurisdiction of Eastern Railway.

Statue of George Canning, Parliament Square

The statue of George Canning in Parliament Square, Westminster, London, is an 1832 work by Sir Richard Westmacott.

Stratford Canning, 1st Viscount Stratford de Redcliffe

Stratford Canning, 1st Viscount Stratford de Redcliffe, (4 November 1786 – 14 August 1880) was a British diplomat and politician, best known as the longtime British Ambassador to the Ottoman Empire. A member of the Noble House of Stratford and cousin of George Canning, he was Envoy Extraordinary and Minister-Plenipotentiary to the United States between 1820 and 1824 and held his first appointment as Ambassador to the Ottoman Empire between 1825 and 1828. He intermittently represented several constituencies in parliament between 1828 and 1842. In 1841 he was re-appointed Ambassador to the Ottoman Empire, a position he held for the next 17 years. Canning came to be seen as one of the leading figures in Constantinople, as British influence over the Porte increased and the Turks came to be seen more and more as British clients. In 1852 he was elevated to the peerage as Viscount Stratford de Redcliffe, probably in reference to his supposed descent from the great 15th century merchant family of Canynges of Redcliffe near Bristol. However, despite his illustrious diplomatic career Canning's hopes of high political office were frequently dashed.

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