1453, the fell after an Ottoman army stormed Constantinople
Answer:British officials reserved the land west of the Appalachian Mountains for American colonists.
Explanation:
They issued the Royal Proclamation of 1763, which declared the boundaries of the thirteen colonies as the Appalachian Mountains.
Answer:
The dome, considered the Romans' greatest architectural achievement, is the largest unreinforced concrete dome ever built. Hadrian's temple was dedicated to the classical gods – hence the name Pantheon, a derivation of the Greek words pan (all) and theos (god) – but in AD 608 it was consecrated as a Christian church.