Events By Place Europe Charles Martel defeats the last independent dukedom of the Alamanni, and launches raids on the Saxons beyond the Rhine. Asia Chinese Emperor Xuanzong of Tang has four palace walls in the northeast sector of the capital city Chang'an torn down and reassembled to construct a new Daoist abbey, the grounds of which were formerly a large garden for the governmental Bureau of Agriculture. By Topic Religion Emperor Leo III of the Byzantine Empire orders the destruction of a… (More on 730)