<Li> Jump up ^ More specifically, the Byzantine Empire under the Palaiologos dynasty </Li> <Li> Jump up ^ The Venetians decided to make a peace treaty with the Ottomans in September 1451, because they were on good terms already with the Ottomans and they did not want to ruin a relationship . They also did not want the Ottomans to interfere with their trade in the Black Sea and Mediterranean . The Venetians' efforts mainly included giving Constantine XI ships and a total of 800 soldiers in February 1453 . The Venetians also promised that a larger fleet would arrive to save Constantine, this fleet would be full of ammunition, fresh soldiers and supplies . This fleet arrived too late . </Li> <Li> Jump up ^ The Kingdom of Sicily mainly donated ships and a few soldiers, it was not official however, and was done by several Cardinals . </Li> <Li> Jump up ^ The Genoese captain Giovanni Giustiniani Longo was wounded in battle, but managed to escape, he died during the early days of June 1453 . </Li>

Who invaded constantinople causing greek scholars to flee