Margaret Thatcher is known for her leadership during World War II and later became the Prime Minister of the United Kingdom. Serving from 1979 to 1990, she was the first woman to hold that position. Her tenure was marked by her strong stance on economic policies and a commitment to conservative principles. Thatcher’s leadership style, often described as resolute and uncompromising, earned her the nickname "The Iron Lady." Her decisions had a profound impact on British politics and society, shaping the country's direction in both domestic and international spheres.