It is 30 years since Margaret Thatcher took up residence in Downing Street and became the UK's first female prime minister. She polarised opinion, and still does.
Here - with help from the radio archives and music from the era - travel back to 1979.
Photographs courtesy PA and Getty Images. Music by Chic, Tubeway Army, The Police, Matthew Wilder, Elton John, New Order, Pet Shop Boys, Eurythmics, Tom Petty and The La's. Slideshow by Paul Kerley. Publication date 4 May 2009.
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