The Report of the Iraq Inquiry
2004
| 1 March | Transitional Administrative Law agreed |
| 31 March | Ambush of four US security contractors sparks unrest in Fallujah |
| Late April | Photos of prisoner abuse at Abu Ghraib published |
| 8 June | Security Council adopts resolution 1546 |
| 28 June | End of Occupation: inauguration of Iraqi Interim Government (Prime Minister Allawi) |
| 29 June | Mr Blair announces HQ ARRC will deploy to Afghanistan |
2005
| 30 January | Elections to the Transitional National Assembly |
| 3 May | Iraqi Transitional Government takes power (Prime Minister Ja'afari) |
| 21 July | Decision to deploy Provincial Reconstruction Team and military support to Helmand province, Afghanistan |
| 15 October | Referendum on the Iraqi Constitution |
| 19 October | US announces new "Clear‑Hold‑Build" strategy for Iraq |
| 15 December | Parliamentary elections in Iraq |
2006
| 26 January | Cabinet approves deployment to Helmand province |
| April to June | Formation of Maliki government |
| 1 May | UK forces become responsible for Helmand |
| 28 September | Op SINBAD begins in Basra |
| End October | Majority of UK civilian staff withdrawn from the Basra Palace site |
2007
| 10 January | President Bush announces the US "surge" |
| 27 June | Mr Blair leaves office; Mr Brown becomes Prime Minister |
| 13 August | Start of reduction of Jaysh al-Mahdi violence against UK forces |
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