Boris Johnson replaces Theresa May as Prime Minister
Conservative Party led by Theresa May win general election
Theresa May replaces David Cameron as Prime Minister
Conservative Party led by David Cameron win general election
Coalition led by David Cameron of the Conservative Party with Liberal Democrats
Gordon Brown replaces Tony Blair as Prime Minister
Labour Party led by Tony Blair win general election
Labour Party led by Tony Blair win general election
Labour Party led by Tony Blair win general election
Conservative Party led by John Major win general election