Margaret Thatcher, the former Prime Minister of the United Kingdom, was known as the Iron Lady. This nickname was given to her by a Soviet newspaper in 1976 due to her staunch opposition to the Soviet Union and her firm policies regarding communism. Thatcher served as Prime Minister from 1979 to 1990 and was the first woman to hold this position in the UK. Her leadership style was characterized by strong convictions, a controversial economic agenda, and a willingness to confront trade unions. Thatcher's policies and decisions fundamentally reshaped British politics and economics, earning her both staunch supporters and fierce critics.