About Gregorio Conrado Álvarez
Gregorio Conrado Álvarez Armelino (26 November 1925 – 28 December 2016), also known as El Goyo, was an Uruguayan Army general and dictator who served as president of Uruguay from 1981 until 1985. He was the last surviving president of the civic-military dictatorship. When the military seized power in the 1973 Uruguayan coup d'état, Álvarez became permanent secretary of the new Consejo de Seguridad Nacional (National Security Council). After Uruguay voted for a return to democracy in a referendum in 1980, the Consejo de Seguridad Nacional named Álvarez transitional president on September 1, 1981.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.