XI Constitutional Government of Portugal
The XI Constitutional Government of Portugal was the 11th government of the Third Portuguese Republic, in office from 17 August 1987 to 31 October 1991. It was formed by members of the Social Democratic Party and had Aníbal Cavaco Silva, leader of the PSD, as Prime Minister. It was the first single-party government with an absolute majority in the Assembly of the Republic since the Carnation Revolution.