Iraq's History (Brief) By facebooker_2690098684385936 3500 BCE The Sumer civilization establishes city-states in Southern Mesopotamia. 3300 BCE Writing invented by Sumerians 1538 Ottoman Rule 1917 Britain seizes control, creates State of Iraq 1932 Declares Independence, followed by coups. 1979 Saddam Hussein becomes President 1980 Iraq-Iran War begins 1988 Cease Fire is agreed with Iran 1990 Iraq invades Kuwait 1991 Persian Gulf War 1992 Southern Iraq declared a “No-Fly Zone” 2003 Operation Iraqi Freedom (Second Gulf War) 2006 Saddam Hussein is found guilty and executed 2010 A new Iraqi Government is approved by the Parliament 2011 U.S. Troops officially leave Iraq 2011 Iraq Crisis