Which early 20th century Turkish leader abolished the use of the Arabic alphabet, Islamic traditions, Islamic legal system, Muslim schools and the wearing of the veil by women in Turkey?

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?