Question: Who formed the rival group to the Argentinian group founded by a President of Argentina overthrown in a "coup d'état"?
Sentence (from "Juan Perón"): After serving in several government positions, including Minister of Labour and Vice President, he was thrice elected President of Argentina, serving from June 1946 to September 1955, when he was overthrown in a "coup d'état", and then from October 1973 until his death in July 1974.
Relevant evidence: Yes