Guinness ( ) is a stout that originated in the brewery of Arthur Guinness at St. James's Gate, Dublin, Ireland, in the 18th century. It is now owned by the British multinational alcoholic beverage maker Diageo. It is one of the most successful alcohol brands worldwide, brewed in almost 50 countries, and available in over 120. Sales in 2011 amounted to 850,000,000 litres (190,000,000 imp gal; 220,000,000 U.S. gal). It is the highest-selling beer in both Ireland and the United Kingdom. The Guinness Storehouse is a tourist attraction at St. James's Gate Brewery in Dublin, Ireland. Since opening in 2000, it has received over 20 million visitors. Adopted in 1862 by the incumbent proprietor, Benjamin Lee Guinness, the Guinness harp motif is modelled on the Trinity College harp (which is the national symbol of Ireland), with the right-facing harp registered as a trademark for Guinness in 1876. Guinness's flavour derives from malted barley and roasted unmalted barley. The unmalted barley is a relatively modern addition that became part of the grist in the mid-20th century. For many years, a portion of aged brew was blended with freshly brewed beer to give a sharp lactic acid flavour. Although Guinness's palate still features a characteristic "tang", the company has refused to confirm whether this type of blending still occurs. The draught beer's thick and creamy head comes from mixing the beer with nitrogen and carbon dioxide. Guinness moved its headquarters to London at the beginning of the Anglo-Irish trade war in 1932. In 1997, Guinness plc merged with Grand Metropolitan to form the multinational alcoholic-drinks producer Diageo plc, based in London.
History
Arthur Guinness started brewing ales in 1759 at the St. James's Gate Brewery, Dublin. On 31 December 1759, he signed a 9,000 year lease at £45 per annum for the unused brewery, and it would become one of the largest in the British Empire. Arthur Guinness started selling porter in 1778. The first Guinness beers to use the term "stout" were Single Stout and Double Stout in the 1840s. Throughout the bulk of its history, Guinness produced only three variations of a single beer type: porter or stout (single, double or extra) and foreign stout for export. "Stout" originally referred to a beer's strength, but eventually shifted meaning toward body and colour. Porter was also referred to as "plain", as mentioned in the famous refrain of Flann O'Brien's poem "The Workman's Friend": "A pint of plain is your only man." Already one of the top-three British and Irish brewers, Guinness's sales soared from 350,000 barrels in 1868 to 779,000 barrels in 1876. In October 1886, Guinness became a public company and was averaging sales of 1.138 million barrels a year. This was despite the brewery's refusal to either advertise or offer its beer at a discount. Even though Guinness owned no public houses, the company was valued at £6 million and shares were 20 times oversubscribed, with share prices rising to a 60 per cent premium on the first day of trading. The breweries pioneered several quality control efforts. The brewery hired the statistician William Sealy Gosset in 1899, who achieved lasting fame under the pseudonym "Student" for techniques developed for Guinness, particularly Student's t-distribution and the even more commonly known Student's t-test. By 1900 the brewery was operating unparalleled welfare schemes for its 5,000 employees. By 1907 the welfare schemes were costing the brewery £40,000 a year, which was one-fifth of the total wages bill. The improvements were suggested and supervised by Sir John Lumsden. By 1914, Guinness was producing 2.652 million barrels of beer a year, which was more than double that of its nearest competitor Bass, and was supplying more than 10 per cent of the total UK beer market. When World War I broke out in 1914, employees at Guinness St. James Brewery were encouraged to join the British forces. Over 800 employees served in the war. This was made possible due to a number of measures put in place by Guinness: soldiers' families were paid half wages, and jobs were guaranteed upon their return. Of the 800 employees who fought, 103 did not return. During World War II, the demand for Guinness among the British was one of the main reasons why the UK lifted commerce restrictions imposed in 1941 to force Ireland into supporting the Allied Powers. Before 1939, if a Guinness brewer wished to marry a Catholic, his resignation was requested. According to Thomas Molloy, writing in the Irish Independent, "It had no qualms about selling drink to Catholics but it did everything it could to avoid employing them until the 1960s." Guinness thought they brewed their last porter in 1973. In the 1970s, following declining sales, the decision was taken to make Guinness Extra Stout more "drinkable". The gravity was subsequently reduced, and the brand was relaunched in 1981. Pale malt was used for the first time, and isomerised hop extract began to be used. In 2014, two new porters were introduced: West Indies Porter and Dublin Porter. Guinness acquired The Distillers Company in 1986. This led to a scandal and criminal trial concerning the artificial inflation of the Guinness share price during the takeover bid engineered by the chairman, Ernest Saunders. A subsequent £5.2 million success fee paid to an American lawyer and Guinness director, Tom Ward, was the subject of the case Guinness plc v Saunders, in which the House of Lords declared that the payment had been invalid. In the 1980s, as the IRA's bombing campaign spread to London and the rest of Britain, Guinness considered scrapping the harp as its logo. In 1997 the company merged with Grand Metropolitan to form Diageo. The company was maintained as a separate entity within Diageo and has retained the rights to the product and all associated trademarks of Guinness.
The Guinness brewery in Park Royal London, closed in 2005. The production of all Guinness sold in the UK and Ireland was moved to St. James's Gate Brewery, Dublin.
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