Reign, the period of time during which an Emperor, king, queen, etc., is ruler.
Rex, abbreviated as R., the Latin word meaning King
Regina, abbreviated as R., the Latin word meaning
Queen
Regnavit or rexit, abbreviated as r., used in
historiography to designate the ruling period of a person in dynastic power, to distinguish from his or her lifespan (e.g. "Charles V (r. 1519–1556)")
Abbreviation R., meaning Rex or Regina. Commonly used for criminal prosecution in
Commonwealth realms where offences are brought in the name of the monarch (e.g. "R. v Defendant")
R, eighteenth letter of the English and Latin alphabets
Topics referred to by the same term
This
disambiguation page lists articles associated with the title R.. If an
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