Radical Civic Union
…presidencies of Hipólito Yrigoyen (1916-1922 and 1928-1930), Marcelo Torcuato de Alvear (1922-1928), Arturo Frondizi (1958-1962), Arturo Illia (1963-1966), Raúl Alfonsín (1983-1989) and Fernando de la Rúa (1999-2001). After 2001, the party has been particularly fragmented. As the Justicialist Party led by Nestor and…