Realm / Kingdom Monarch (Birth) Since
Saint Vincent and the Grenadines Queen Elizabeth II (b. 1926) 27 October 1979
Solomon Islands Queen Elizabeth II (b. 1926) 7 July 1978
Tuvalu Queen Elizabeth II (b. 1926) 1 October 1978
United Kingdom of Great Britain and Northern Ireland Queen Elizabeth II (b. 1926) 6 February 1952
