Wilfried Achiel Emma Martens (Dutch: [ˈʋɪlfrit ˈmɑrtə(n)s]; 19 April 1936 – 9 October 2013) was a Belgian politician. He was born in Sleidinge (East Flanders). During his political career, Martens served as the Prime Minister of Belgium from 3 April 1979 to 6 April 1981 and 17 December 1981 to 7 March 1992.