Out with the Old…
lBy 1400, the Byzantine Empire was in decline (with the help of Ottoman Turks).
lConstantinople falls in 1453 to the Turks.
l1258: Fall of the last Arab Caliphate (Abbasid)
lThe fall of Islamic Caliphate did NOT delete Islam, nor its empires from the maps of the world.
lTrade was disrupted, but will rebound by 1400
lThe Ottoman Turks will reestablish much of the power lost by the Caliphate in the 1500s-1700s.