Gulf War Topic PageWar 16 January-28 February 1991 between Iraq and a coalition of 28 nations led by the USA. The invasion and annexation of Kuwait by Iraq on 2 August 1990 provoked a build-up of US troops in Saudi Arabia, eventually totalling over 500,000. The UK subsequently deployed 42,000 troops, France 15,000, Egypt 20,000, and other nations smaller contingents.