Ruling Queen of the Two Worlds Vriha t'Rehu was a Romulan woman who siezed power for herself on Romulus. The daughter of a Grand Council member, she inherited his position upon his death. She was the first of the Romulans to have a standing army, which she used to dominate her nieghbors. She killed S'task. History records her charismatic rise to power as similar to Adolf Hitler and Surak. (TOS - Rihannsu novel: The Romulan Way; TOS - Vulcan's Soul novel: Epiphany)