Agostino Depretis, Italian politician, 9th Prime Minister of Italy (born 1813)

Agostino Depretis was an Italian statesman and politician. He served as Prime Minister of Italy for several stretches between 1876 and 1887, and was leader of the Historical Left parliamentary group for more than a decade. He is the fourth-longest serving Prime Minister in Italian history, after Benito Mussolini, Giovanni Giolitti and Silvio Berlusconi, and at the time of his death he was the longest-served. Depretis is widely considered one of the most powerful and important politicians in Italian history, having enacted numerous reforms that modernized Italy, such as expanding male suffrage and free education.

The prime minister of Italy, officially the president of the Council of Ministers, is the head of government of the Italian Republic. The office of president of the Council of Ministers is established by articles 92–96 of the Constitution of Italy; the president of the Council of Ministers is appointed by the president of the Republic and must have the confidence of the Parliament to stay in office.