Title: 1991 in the United States
Content: Cold War (1947–1991) ; Gulf War (1990–1991) ; Iraqi no-fly zones (1991–2003) 
Title: Gulf War
Content: Defense of Saudi Arabian country for the period 2 August 1990, through 16 January 1991. ; Liberation and Defense of Kuwait for the period 17 January 1991, through 11 April 1991. ; Southwest Asia Cease-Fire for the period 12 April 1991, through 30 November 1995, including Operation Provide Comfort. The US divided the conflict into three major campaigns:
Title: Coalition of the Gulf War
Content: Nationmaster.com – Gulf War Coalition – Troops by country ; Arabic-Radio-TV.com – The Gulf Coalition Countries in 1991 – Contribution by country 
Title: Timeline of Gulf War (1990–1991)
Content:  The timeline of the Gulf War details the dates of the major events of the 1990–1991 war. It began with the Iraqi invasion of Kuwait on 2 August 1990 and ended with the Liberation of Kuwait by Coalition forces. Iraq subsequently agreed to the United Nations' demands on 28 February 1991. The ground war officially concluded with the signing of the armistice on 11 April 1991. However, the official end to Operation Desert Storm did not occur until sometime between 1996 - 1998. Major events in the aftermath include anti-Saddam Hussein uprisings in Iraq, massacres against the Kurds by the regime, Iraq formally recognizing the sovereignty of Kuwait in 1994, and eventually ending its cooperation with the United Nations Special Commission in 1998.
Title: Fighter Squadron 1 (United States Navy)
Content:  when the 1991 Gulf War began on 16 January 1991. The U.S. Navy launched 228 sorties from Ranger and USS Midway (CV-41) in the Persian Gulf, from USS Theodore Roosevelt (CVN-71) en route to the Persian Gulf, and from USS John F. Kennedy (CV-67), USS Saratoga (CV-60), and USS America (CV-66) in the Red Sea. On 6 February, an F-14A Tomcat from VF-1, off Ranger, downed an Iraqi Mi-8 Hip helicopter with an AIM-9M Sidewinder missile. At 9 pm EST on 27 February, President Bush declared Kuwait had been liberated and Operation Desert Storm would end at midnight. Ranger began 
Title: Gulf War
Content:  Task Force 1-41 Infantry was the first coalition force to breach the Saudi Arabian border on 15 February 1991 and conduct ground combat operations in Iraq engaging in direct and indirect fire fights with the enemy on 17 February 1991. Prior to this action the Task Force's primary fire support battalion, 4th Battalion of the 3rd Field Artillery Regiment, participated in a massive artillery preparation. Around 300 guns from multiple nations participated in the artillery barrage. Over 14,000 rounds were fired during these missions. M270 Multiple Launch Rocket Systems contributed an additional 4,900 rockets fired at Iraqi targets. Iraq lost close to 22 artillery battalions during the initial stages of this 
Title: Gulf War
Content:  War II. Most of the coalition's military forces were from the US, with Saudi Arabia, the United Kingdom and Egypt as leading contributors, in that order. Kuwait and Saudi Arabia paid around US$32 billion of the US$60 billion cost. The initial conflict to expel Iraqi troops from Kuwait began with an aerial and naval bombardment on 17 January 1991, continuing for five weeks. During this period, Iraq launched Scud missiles against coalition targets in Saudi Arabia and Israel in an attempt to provoke a coalition-jeopardizing Israeli response, which failed to materialize. This was followed by a ground assault by coalition forces on 24 February. This was a decisive 
Title: Military history of the United States
Content:  The Persian Gulf War was a conflict between Iraq and a coalition force of 34 nations led by the United States. The lead up to the war began with the Iraqi invasion of Kuwait in August 1990 which was met with immediate economic sanctions by the United Nations against Iraq. The coalition commenced hostilities in January 1991, resulting in a decisive victory for the U.S. led coalition forces, which drove Iraqi forces out of Kuwait with minimal coalition deaths. Despite the low death toll, over 180,000 US veterans would later be classified as "permanently disabled" according to the US Department of Veterans Affairs (see Gulf War Syndrome). The 
Title: Coalition of the Gulf War
Content:  Under United Nations Security Council Resolution 678, a coalition of 35 countries, led by the United States, fought Iraq in the Gulf War from 1990–1991.
Title: Gulf War air campaign
Content:  The air campaign of the Gulf War, also known as the 1991 bombing of Iraq, was an extensive aerial bombing campaign from 17 January 1991 to 23 February 1991. The Coalition of the Gulf War flew over 100,000 sorties, dropping 88,500 tons of bombs, widely destroying military and civilian infrastructure. The air campaign was commanded by USAF Lieutenant General Chuck Horner, who briefly served as Commander-in-Chief—Forward of U.S. Central Command while General Schwarzkopf was still in the United States. The British air commanders were Air Vice-Marshal Andrew Wilson (to 17 November 1990) and Air Vice-Marshal Bill Wratten (from 17 November). The air campaign 

Question: who fought in the gulf war 1991?
Answer: Saudi Arabia.