The President of Argentina during the Falklands War, which occurred in 1982, was Leopoldo Galtieri. Galtieri served as the President of Argentina from December 22, 1981, until June 18, 1982. It was under his leadership that Argentina launched a military invasion and occupation of the Falkland Islands, known as the Malvinas Islands in Argentina, which led to a conflict with the United Kingdom. The war ended with Argentina's surrender on June 14, 1982.