At the beginning of the Anglo-Iraqi War it was in Al Diwaniyah on the main rail line from Baghdad to Basra.

[3] It was disbanded along with the rest of the army by Coalition Provisional Authority Order Number 2 in mid-2003.

The 4th Division’s battalions were former Iraqi National Guard units, recruited locally.

The division was ethnically diverse and had operational control of a number of Strategic Infrastructure Battalions protecting oil pipelines.

The 14th Brigade was deployed as part of the force during the Operation Charge of the Knights in Basra in May 2008, but has subsequently moved to assume responsibility for the Sharquat area north of Tikrit.