Around 2,000 years ago, Rome was considered the center of the world, but the city began to decline after this Roman Emperor transferred his capital to Byzantium in 330 A.D. Who was he?

In what year did the Titanic sink?

What wall divided Berlin from 1961 to 1989?

Which ancient wonder was located in Alexandria, Egypt?

Which empire was ruled by Genghis Khan?

During World War I, the allies, Britain, France, the USA primarily fought against Germany and which two major forces?

What is the second largest city in Japan?