On this day 30 years ago...

4 May 1979 – Margaret Thatcher became the first female Prime Minister of the United Kingdom, following the defeat of James Callaghan's incumbent Labourgovernment in the previous day's general election.

To find out more about the 20 Prime Ministers of the 20th century don't miss our anniversary promotion: buy the whole set for £99 - this is a promotion ends 30th May 2009. Please contact: bree@hauspublishing.com