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
Diana Gould – Margaret Thatcher exchange toward it. The exchange between Thatcher and Gould became iconic, remembered because of Gould's persistence in asking why Thatcher had given the order, which seemed to rattle the prime minister. It was described as "the day Margaret Thatcher met her match". Thatcher was reportedly angry that the BBC had allowed the question to be asked. Her husband, Denis Thatcher, told the producer that the BBC was run by "a nest of long-haired Trots and wooftahs". Gould wrote a book about her experience, "On the Spot: The Sinking of the Belgrano" (1984). Diana Sydney Gould ("née" Prigg, 18 April 1926 –