1903 - Born on May 21st in Río Cuarto, Córdoba. A prominent general in the Argentine army, he was a leading critic of the regime of President Juan Perón.
1943 - He taught in the Escuela de Guerra.
1955 - He became the president of Argentina. He replaced Gen. Eduardo Lonardi as provisional president.
- An army general, he participated in the overthrow of Juan Perón in September.
1958 - Aramburu retired from the army.
1970 - He was kidnapped by a Peronist guerrilla group and murdered, allegedly for his part in the execution of 27 Peronist leaders after an unsuccessful coup attempt.
- Died on June 1st in Carlos Tejedor, Buenos Aires.