Graça Machel DBE HonFBA (Portuguese pronunciation: [ˈɡɾasɐ mɐˈʃɛɫ]; née Simbine; pronounced [sĩˈbĩni], born 17 October 1945) is a Mozambican politician and humanitarian. She is the widow of former President of Mozambique Samora Machel (1975–1986) and former President of South Africa Nelson Mandela (1998–2013). Machel is an international advocate for women's and children's rights and was made an honorary British Dame by Queen Elizabeth II in 1997 for her humanitarian work. She is the only woman in modern history to have served as First Lady of two countries, South Africa and Mozambique.