Clocks made before 1660 had only one hand - an hour hand.
41
The exact cause of death and burial site of Genghis Khan is unknown, because all of the 2000 funeral guests and 800 soldiers were killed in order to preserve the secret.
16
During WW2, captured German officers were sent to Britain as POWs and lived in luxury in Trent Park. This was done to make them feel relaxed. However, they were being listened to by 100 ‘listeners’. They revealed secrets about the holocaust, events in Berlin, Hitler's madness and V2 rocket bases.
17
If Earth's history was condensed into twenty-four hours, life would've appeared at around 4am, land plants at 10:24pm, dinosaur extinction at 11:41pm, and human history would’ve began at 11:58:43pm.
21
The Titanic is about as long as the Empire State building is tall.
174
Hundreds of years ago, the Aztecs of Mexico and the people of Nicaragua believed gods lived in volcanoes. They would sacrifice beautiful young girls to these powerful gods.
10
India invented the Number System. Zero was invented by Aryabhatta.
59
A baboon called Jackie became a private in the South African army in World War I.
65