Ottoman Turks besieged Nicaea in Asia Minor, historically the provisional capital of the Byzantine Empire from the Fourth Crusade until the Byzantine recapture of Constantinople. Andronikos III launched a relief attempt, which Ottoman sultan Orhan defeated at the Battle of Pelekanon on 10 or 15 June 1329. Nevertheless, Andronikos III effected the recovery of Lordship of Chios (including Lesbos) from Martino Zaccaria in a naval battle, also in 1329.