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) In Greek mythology, the Trojan War is a legendary conflict between the city of Troy and the Greeks, sparked by the abduction of Helen of Troy. It is immortalized in Homer's epic poems, the Iliad and the Odyssey, and features famous heroes like Achilles, Hector, and Odysseus.

3) The Berlin Conference in 1884-1885 divided Africa among European powers and set the stage for the colonization of the continent.

4) The world's oldest known recipe is for beer and is over 4,000 years old.