However the Crusaders attacked and badly destroyed many holy places in Constantinople. Constantinople would eventually fall to the Ottoman Turks in 1453 and become the Capital of the Ottoman Empire.
Mansa Musa, in keeping with his Islamic faith, took a famous pilgrimage to Mecca, the Holiest city of Islam, that introduced the Mediterranean world to the riches of sub-Saharan Africa. He carried with him several tons of gold, sprinkling gold dust on the ground and dressing even his slaves in gold jewelry
Islamic Armies conquered the cities of Jerusalem and Damascus. These cities had been important for Christians and Jews. This would lead to some conflict between the different religions. Damascus would replace Medina as the new Capital for the Islamic empire
Pope Urban II was upset about the persecution of Christians in Jerusalem he wanted to recapture the “Holy Land” of Jerusalem. He stirred people’s emotions in a famous speech in which he referred to the muslim as an “accursed race” and vowed that soldiers should take up the cause of reconquering holy lands.
Catholic Priests are celibate and do not marry. Orthodox Priests are allowed to marry. Catholic Churches use both statues and pictures as icons. Orthodox Churches use only pictures as icons.
Cyril presented Christianity to the Slavs in their own language and invented an alphabet for the numerous Slavic languages. The Language he invented became known as cyrillic and was crucial in helping him gain converts.
The Hagia Sophia is a famous domed Church in Constantinople constructed by Justinian in 537 A.D. It was the largest and grandest religious building of its time.