The Socialist Destourian Party (Tunisian Arabic: حزب الاشتراكي الدستوري‎ Ḥizb el-Ishtirākī ed-Dostūrī ; French: Parti socialiste destourien) was the ruling political party of Tunisia from 1964 to 1988. Bahi Ladgham was the first Prime Minister from the party and Hédi Baccouche was the last. It was founded on 22 October 1964 and disbanded on 27 February 1988. Habib Bourgiba was the first president of the Socialist Destourian Party 1964–1987. He was succeeded by Zine El Abidine Ben Ali 1987–1988.