The United Kingdom's Iraq Inquiry resumes after a break for the general election, with Douglas Brand as the first witness.
Former French leader Jacques Chirac believed the Iraq war was a "dangerous venture", the Iraq inquiry is told as hearings restart.
- A report about the United Kingdom's involvement in the Iraq War is released. The chairman of the inquiry, Sir John Chilcot, said that the invasion was not a "last resort" and was based on "flawed intelligence and assessments". The inquiry was announced on 15 June 2009 by then-Prime Minister Gordon Brown. The final hearing was held on 2 February 2011.
- Voters in the United Kingdom head to the polls to elect Members of Parliament.
- The leaders of the United Kingdom's three main political parties take part in the first of three televised debates ahead of the 2010 General Election.
- Conservative leader David Cameron launches his party's election manifesto, which he says is a "plan to change Britain for the better". He said the "optimistic" plan would bring a "new kind of government" with less state and more "people power".
- Member of Parliament for Scunthorpe Elliot Morley will resign at the United Kingdom's 2010 General Election.