About Roberto Eduardo Viola
Roberto Eduardo Viola was an Argentine military officer who served as the 43rd President of Argentina and the 2nd President of the National Reorganization Process from 29 March to 11 December 1981 as a military dictator. He was born as Roberto Eduardo Viola on 13 October 1924. Viola appointed Lorenzo Sigaut as finance minister, and it became clear that Sigaut were looking for ways to reverse some of the economic policies of Videla's minister José Alfredo Martínez de Hoz. Viola found his maneuvering space greatly reduced, and was ousted by a military coup in December 1981, led by the Commander-in-Chief of the Army, Lieutenant General Leopoldo Galtieri, who soon became president. Galtieri swiftly appointed Roberto Alemann as finance minister and presided over the build-up and pursuit of the Falklands War.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.