Romanus I(Romanus Lecapenus), d. 948, Byzantine emperor (920–44). An admiral, he usurped the throne during the minority of his son-in-law, Constantine VIIConstantine VII
(Constantine Porphyrogenitus), 905–59, Byzantine emperor (913–59). He acceded after the brief reign of his uncle Alexander, who succeeded Constantine's father, Leo VI.
..... Click the link for more information. . He defended Constantinople against the Bulgars under Simeon ISimeon I,
c.863–927, ruler (893–927) and later first czar of Bulgaria. He was placed on the throne by his father, Boris I, who had returned from a monastery to depose his first son, Vladimir (reigned 889–93), for attempting to reintroduce paganism.
..... Click the link for more information. and in 927 made peace with Simeon's son. He also tried unsuccessfully to protect peasant and military holdings from absorption into the estates of the great landowners. In 944, Romanus was overthrown by his two surviving sons, who were in turn overthown by Constantine VII.