United Arab Emirates: Ras al-Khaimah: Polity Style: 1700-2023 ? ? 17?? - Raʾs al-Khayma ? Sep 1900 becomes a dependency of Sharjah 10 Jul 1921 ceases to be a dependency of Sharjah 11 Feb 1972 becomes a member of the United Arab Emirates Last updated on: 19 Jan 2022 21:21:52