Tesco is a multinational retailer from the United Kingdom. It was started by in 1919 by Jack Cohen, who opened the first Tesco grocery store in 1931 near London, England. His business grew very quickly and there were 100 Tesco stores by 1939. At first, Tesco only sold food in its stores, but in the 1990s it began to sell other things like mobile phones, DVDs and videos, clothing, and books. It now also operates petrol stations, banks, and is an Internet service provider in the UK since 2012.