Guinness 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. The company merged with Grand Metropolitan in 1997 to form Diageo.
Guinness form the multinational alcoholic drinks producer Diageo. 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. Ten years later, on 19 May 1769, Guinness first exported his ale: he shipped six-and-a-half barrels to Great Britain. Arthur Guinness started selling the dark beer porter in 1778. The first Guinness beers to use the term were Single Stout and Double Stout in the 1840s. Throughout the bulk of its history, Guinness produced only three variations of a single beer