1) The world's first paper money was created in China over 1,000 years ago.

2) The word "computer" contains three vowels: O, U, and E.

3) The shortest war in history lasted only 38 to 45 minutes between Britain and Zanzibar in 1896.

4) The world's largest volcano, Mauna Loa in Hawaii, is also one of the most active. It stands over 13,000 feet (4,000 meters) above sea level.