François Maurice Adrien Marie Mitterrand (26 October 1916 – 8 January 1996) was the 21st President of France and ex officio Co-Prince of Andorra, serving from 1981 until 1995. He is the longest-serving President of France and, as leader of the Socialist Party, the first figure from the left elected President under the Fifth Republic. Reflecting family influences, Mitterrand started political life on the Catholic nationalist right. He served under the Vichy Regime in its earlier years.