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

2) The world's largest species of shark, the whale shark, can reach lengths of up to 40 feet (12 meters) and weigh over 20 tons.

3) The word "triangle" contains four vowels: I, A, E, and E.

4) Mount Kilimanjaro in Tanzania is the highest mountain in Africa and attracts climbers from around the world.