Premiership of Margaret Thatcher that Thatcher proceed cautiously in working with black communities because she believed they gave cannabis to babies. Premiership of Margaret Thatcher Margaret Thatcher served as Prime Minister of the United Kingdom from May 1979 to November 1990. She became Prime Minister after serving as Leader of the Conservative Party since 1975. In domestic affairs, Thatcher is best known for her sweeping policies concerning the affairs of the economy, including the privatisation of most nationalised industries. In foreign policy, she fought a war against Argentina and played a key role with President Ronald Reagan and Soviet leader Mikhail Gorbachev in ending
Margaret Thatcher returned to 10 Downing Street in late November 2009 for the unveiling of an official portrait by artist Richard Stone, an unusual honour for a living former Prime Minister. Stone was previously commissioned to paint portraits of the Queen and Queen Mother. On 4 July 2011, Thatcher was to attend a ceremony for the unveiling of a statue to Ronald Reagan, outside the US Embassy in London, but was unable to attend due to her frail health. She last attended a sitting of the House of Lords on 19 July 2010, and on 30 July 2011 it was announced that