Margaret Thatcher not shared by others in her Cabinet. She resigned as Prime Minister and party leader in November 1990, after Michael Heseltine launched a challenge to her leadership. After retiring from the Commons in 1992, she was given a life peerage as Baroness Thatcher (of Kesteven in the County of Lincolnshire) which entitled her to sit in the House of Lords. In 2013, she died of a stroke in London at the age of 87. Always a controversial figure, she is nonetheless viewed favourably in historical rankings of British prime ministers, and her tenure constituted a realignment towards neoliberal policies in
Mark Thatcher the elevation of his mother to the peerage as a baroness in 1992; he shares this courtesy with his twin sister, Carol. After the death of his father in 2003, he inherited the Thatcher baronetcy which had been awarded in 1990, the first baronetcy created since 1964. Following his conviction in relation to the Equatorial Guinea coup d'état in 2004, it was suggested that he should be stripped of the title. Mark Thatcher Sir Mark Thatcher, 2nd Baronet (born 15 August 1953) is a British businessman. He is the son of Margaret Thatcher, former Prime Minister of the United Kingdom,