Who formed the rival group to the Argentinian group founded by a President of Argentina overthrown in a "coup d'état"?
supporters of the late Néstor Kirchner
Title: Juan Perón
Passage: Juan Domingo Perón (] ; 8 October 1895 – 1 July 1974) was an Argentine lieutenant general and politician.  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.
Title: Kirchnerism
Passage: Kirchnerism (Spanish: "kirchnerismo" ] ) is an Argentinian political group formed by the supporters of the late Néstor Kirchner, president of Argentina from 2003 to 2007, and of his wife Cristina Fernández de Kirchner, president from 2007 until 2015.  Although the Kirchners are members of the Justicialist Party (the original, official and largest Peronist party, founded by Juan Perón in 1947), Peronism itself is a broad movement, and many Peronists oppose them ("Anti-Kirchnerist Peronism").
Title: 1945 Venezuelan coup d'état
Passage: The 1945 Venezuelan coup d'état took place on 18 October 1945, when the dictator Isaías Medina Angarita was overthrown by a combination of a military rebellion and a popular movement led by Democratic Action.  The coup led to a three-year period of government known as El Trienio Adeco, which saw the first democratic elections in Venezuelan history, beginning with the Venezuelan Constituent Assembly election, 1946.  The Venezuelan general election, 1947 saw Democratic Action formally elected to office (with Rómulo Gallegos as President, replacing interim President Rómulo Betancourt), but it was removed from office shortly after in the 1948 Venezuelan coup d'état.
Kirchnerism Juan Perón