Raúl Alfonsín, Argentinian lawyer and politician, 46th President of Argentina (born 1927)

Raúl Ricardo Alfonsín was an Argentine lawyer and statesman who served as President of Argentina from 10 December 1983 to 8 July 1989. He was the first democratically elected president after the 7-years National Reorganization Process. Ideologically, he identified as a radical and a social democrat, serving as the leader of the Radical Civic Union from 1983 to 1991, 1993 to 1995, 1999 to 2001, with his political approach being known as "Alfonsinism".

The president of Argentina, officially known as the president of the Argentine Nation, is both head of state and head of government of Argentina. Under the national constitution, the president is also the chief executive of the federal government and commander-in-chief of the armed forces.

March 31 is the 90th day of the year in the Gregorian calendar; 275 days remain until the end of the year.