Was Kuwait ever under Iraq rules?

Yes, Kuwait was under Iraqi rule during the Gulf War in 1990-1991. Iraq, led by President Saddam Hussein, invaded Kuwait on August 2, 1990, claiming it as its 19th province. This occupation lasted until a U.S.-led coalition intervened and liberated Kuwait in February 1991. Prior to this, Kuwait had been an independent nation since its establishment in the early 20th century.