1) The world's largest flower is the Rafflesia arnoldii, which can grow up to 3 feet (1 meter) in diameter and weighs about 15 pounds (7 kilograms).

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

3) The Hollywood Walk of Fame features more than 2,690 stars embedded in the sidewalk, honoring notable figures in the entertainment industry.

4) The Victoria Amazonica water lily has leaves that can grow up to 10 feet (3 meters) in diameter, making it one of the largest aquatic plants.