The last ruler of Ptolemaic Egypt was __.

True or false? Admiral Zheng He sailed naval expeditions with fleets consisting of thousands of ships to give gifts and return with tribute.

__ were soldiers in the Abbasid caliphate who had been young boys converted to Islam and then trained as soldiers.

The capital of Al-Andalus controlled by Abd al-Rahman I was in what city?

In the eighth century BCE, rulers from which kingdom took over the throne of Egypt?

Who first proposed the heliocentric universe?

What was important about the Diamond Sutra?

These were extremely secluded places for the most religiously devout in Late Antiquity.

This Ottoman leader conquered Constantinople and embarked on a great building campaign in the city.

Which layer of the heart is responsible for contractility?