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.
10 Deadliest Epidemics in History. Disease has probably killed more human beings than anything else in history, and illnesses such as the plague, malaria and cholera are still dangerous today. The most infamous epidemic in history, the Black Death, wiped out almost half the population of Europe. Could a present-day equivalent rear its head? The battle against deadly diseases is far from over. Modern pandemics like AIDS and swine flu show that, even in the 21st century, we arenât entirely free from the threat of disease.