Leo III, Emperor (Byzantine Empire) : All Data
Leo III was the Emperor of the Byzantine Empire from 717 to 741. During his reign, he faced several significant wars and revolts. One of the most important conflicts was the Arab siege of Constantinople in 717-718, where Leo successfully defended the city and halted the Arab expansion into Byzantine territory. Another notable event was the Bulgarian uprising in 718-719, which Leo managed to suppress, securing the empire's borders. Additionally, Leo III initiated the Iconoclastic Controversy, a religious conflict that lasted throughout his reign and beyond, leading to the destruction of religious icons and a significant division within the Byzantine Empire.