Iraq War Timeline By GloriaSan Mar 13, 2003 Bush launches invasion of Iraq Operation Iraqi Freedom, in which a combined force of troops from the United States, the United Kingdom, Australia and Poland invaded Jul 22, 2004 Saddam’s sons, Uday and Qusay, are killed Saddam’s sons, Uday and Qusay, are killed in a U.S. raid in Mosul