1) The corpse flower, or titan arum, is known for its unpleasant smell, often compared to that of rotting flesh.

2) The name "Bluetooth" comes from the 10th-century Danish king, Harald Bluetooth, who united Denmark and Norway.

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

4) The English alphabet has five vowels: A, E, I, O, and U.