1) The Battle of Waterloo in 1815 marked the final defeat of Napoleon Bonaparte and the end of his reign as Emperor of France.

2) The New England Patriots and the Pittsburgh Steelers hold the record for the most Super Bowl wins, with six championships each.

3) The term "bull market" refers to a period of rising stock prices, while a "bear market" refers to a period of falling stock prices.

4) The fingerprints of koalas are so similar to humans that they have been mistaken at crime scenes.