A: The main cause of rapid population growth is when there are more births than there are deaths, which is referred to as a natural increase. Other causes of ... Full Answer >
Spanish flu (1918-1919). The influenza pandemic of 1918-1919 killed more people than the World War I, at somewhere between 20 and 40 million people. It has been cited as the most devastating epidemic in recorded world history. Known as Spanish Flu or La Grippe the influenza of 1918-1920 was a global disaster.
Like us on Facebook. The Bubonic Plague, also known as the Black Death, killed at least 75 million people on three continents. Described as the most lethal epidemic in history, the plague began in China in the 1330s and made its way through Europe from 1346 to 1353.