When did the US-British joint force start the military invasion in Iraq?
A
20th March 2001
B
20th March 2002
C
20th March 2003
D
20th March 2004
Correct Answer: 20th March 2003
The invasion phase began on 19 March 2003 (air) and 20 March 2003 (ground) and lasted just over one month, including 26 days of major combat operations, in which a combined force of troops from the United States, the United Kingdom, Australia and Poland invaded Iraq.