Original sentence: The Conservatives and their radical leader Margaret Thatcher won and replaced the previous labour government.The UK general election, 1979 was held on May 3, 1979 and is regarded as a pivotal point in 20th century British politics
Edited sentence: The British general election of May 3, 1979 was a pivotal point in 20th century British politics.The victory of the Conservatives and their radical leader Margaret Thatcher would ultimately mark the end of consensus politics in Britain