Denis Thatcher 1979 general election to become the first female Prime Minister in British history. Denis Thatcher became the first husband of a British Prime Minister. In 1953, they had twin children (Carol and Mark), who were born on 15 August, seven weeks premature. Thatcher was watching the 1953 Ashes series at the time of the birth. Not long after the 1964 general election, Denis Thatcher suffered a nervous breakdown which put a severe strain on their marriage. The breakdown was probably caused by the increasing pressure of running the family business, caring for his relatives, and his wife's preoccupation with her
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,