John I Tzimiskes, Byzantine emperor (born 925)

John I Tzimiskes

Byzantine emperor from 969 to 976

John I Tzimiskes was the senior Byzantine emperor from 969 to 976. An intuitive and successful general who married into the influential Skleros family, he strengthened and expanded the Byzantine Empire to include Thrace and Syria by warring with the Rus' under Sviatoslav I and…