Conservative Party (UK) in the Falklands War in June that year, along with the recovering British economy, saw the Conservatives returning quickly to the top of the opinion polls and winning the 1983 general election with a landslide majority, due to a split opposition vote. Thatcher now faced, arguably, her most serious rival yet after the 1983 general election, when Michael Foot resigned as Leader of the Labour Party and was succeeded by Neil Kinnock. With a new leader at the helm, Labour were clearly determined to defeat the Conservatives at the next election and for virtually the entirety of Thatcher's second ministry
History of the Labour Party (UK) Democrats broke down, Gordon Brown announced his intention to stand down as Leader before the Labour Party Conference but a day later resigned as both Prime Minister and party leader. Harriet Harman became the Leader of the Opposition and acting Leader of the Labour Party following the resignation of Gordon Brown on 11 May 2010, pending a leadership election subsequently won by Ed Miliband. This period has to date witnessed a revival in Labour's opinion poll fortunes, with the first Labour lead recorded since the commencement of Gordon Brown's premiership in 2007 being reported in a YouGov poll for The