The Great Wall of China was built to protect against invasions from which group?

Who was the first Emperor of Rome?

The Industrial Revolution began in which country?

Who was the leader of Nazi Germany during World War II?

What year did World War I begin?

The Declaration of Independence was signed in which year?

Who was the first person to circumnavigate the globe?

The Rosetta Stone helped scholars decode what ancient script?

What year did Christopher Columbus first reach the Americas?

Which European explorer was the first to reach India by sea?