1955 in Argentina

Events in the year 1955 in Argentina.

Incumbents

 * President: Juan Peron until September 21, Eduardo Lonardi until November 12, Pedro Eugenio Aramburu
 * Vice President: Alberto Teisaire until September 23, Isaac Rojas

Governors

 * Buenos Aires Province:
 * until 25 September: Carlos Aloé
 * 25 September-10 November: Arturo Ossorio Arana
 * from 10 November: Juan María Mathet
 * Cordoba: Raúl Lucini
 * Mendoza Province:
 * until 15 September: Carlos Horacio Evans
 * 15 September-13 December: Roberto Nazar
 * from 13 December: Héctor Ladvocat

Vice Governors

 * Buenos Aires Province: vacant

Events

 * June 16 - Bombing of Plaza de Mayo: failed attempt by Argentine Naval Aviation to overthrow President Peron
 * September 16 - Revolución Libertadora: Peron overthrown
 * September-Major General Eduardo Lonardi took office as president. He wanted to rebuild the democratic government, but was overthrown.
 * September- Major General Pedro Eugenio Aramburu overthrew Lonardi.

Deaths

 * June 16 - Benjamín Gargiulo, vice-admiral, suicide