Soviet Union | European Union | Union Army | rugby union | Canary Islands | Union | Faroe Islands | Solomon Islands | Channel Islands | International Telecommunication Union | Falkland Islands | trade union | Marshall Islands | Union (American Civil War) | South Shetland Islands | Union Pacific Railroad | England national rugby union team | Hawaiian Islands | American Civil Liberties Union | Pacific Islands | Wales national rugby union team | New Zealand national rugby union team | Saint Thomas, U.S. Virgin Islands | Ireland national rugby union team | Aleutian Islands | Western Union | Cook Islands | Scotland national rugby union team | International Astronomical Union | Georgia national rugby union team |
In the same year, Fanning Island and Washington Island were included in it together with the islands of the Tokelau or Union Islands; Christmas Island was included in 1919 but was contested by the US.