may 11, 330 - Byzantine Empire was Founded

Description:

The Byzantine Empire was founded in the city of Constantinople, which was in the eastern half of Rome. This empire was an important empire because it ruled most of the eastern and southern Europe. Its capital city, Constantinople, became the largest and wealthiest city in Europe during the time. Thanks to the Byzantine Empire, the eastern half of the Roman Empire ruled for another 1,000 years after the western side fell.