Roberto Eduardo Viola Prevedini (October 13, 1924 – September 30, 1994) was a military officer who briefly served as interim president of Argentina from March 29 to December 11, 1981 during a period of military rule. He was ousted by a military coup in December 1981, led by the Commander-in-Chief of the Army, Lieutenant General Leopoldo Galtieri. October 13 is the 286th day of the year (287th in leap years). ... 1924 was a leap year starting on Tuesday (link will take you to calendar). ... September 30 is the 273rd day of the year (274th in leap years) in the Gregorian Calendar, with 92 days remaining, as the final day of September. ... 1994 was a common year starting on Saturday of the Gregorian calendar, and was designated the International year of the Family. ... List of Heads of State (Presidents and Dictators etc. ... March 29 is the 88th day of the year in the Gregorian Calendar (89th in Leap years). ... December 11 is the 345th day (346th in leap years) of the year in the Gregorian calendar. ... 1981 is a common year starting on Thursday of the Gregorian calendar. ... US General Douglas MacArthur (left), military ruler of Japan 1945-1952, next to Japans defeated Emperor Military rule may mean several things in modern terms: When a country or area is conquered after invasion and placed under Belligerent occupation, also known as Military occupation (see list of military occupations). ... General Galtieri Leopoldo Fortunato Galtieri Castelli (July 15, 1926 - January 12, 2003) was an Argentinian general and dictator. ...

In 1983 he was arrested and sentenced to 17 years in prison for human rights violations committed by the military junta during the Dirty War.
1983 is a common year starting on Saturday of the Gregorian calendar. ... Human rights are rights which some hold to be inalienable and belonging to all humans. ... A Dirty War (in Spanish: Guerra Sucia) was a program of state terrorism, including violent repression of rebels and dissidents conducted by government forces, characterized by the use of disappearances, torture, murder, and other covert practices, massive violations of human and civil rights, and very often including innocent bystanders among...

Jorge Rafael Videla Redondo (born August 2, 1925 in Mercedes) was the de facto President of Argentina from 1976 to 1981. ... 1981 is a common year starting on Thursday of the Gregorian calendar. ... General Galtieri Leopoldo Fortunato Galtieri Castelli (July 15, 1926 - January 12, 2003) was an Argentinian general and dictator. ...