She was elected leader of the Conservative Party in 1975, beating out Heath for the position and became the first woman to lead a major political party in the United Kingdom.
Ring 1975, ida ngalahang Heath ring Pamilihan kapemimpinan Partai Konservatif manados Pamimpin Oposisi, anak istri kapertama sané mimpin partai politik ageng ring Britania Raya.