Michael Chilufya Sata (6 July 1937 – 28 October 2014) was a Zambian politician who was the fifth President of Zambia, from 23 September 2011 until his death on 28 October 2014. A social democrat, he led the Patriotic Front (PF), a major political party in Zambia. Under President Frederick Chiluba, Sata was a minister during the 1990s as part of the Movement for Multiparty Democracy (MMD) government; he went into opposition in 2001, forming the PF.