The life expectancy in 1900 was just 47 years.
49
India invented the Number System. Zero was invented by Aryabhatta.
59
A singing birthday card has more computing power than the allied forces in 1945.
30
The universally popular Hershey bar was used overseas during World War II as currency.
112
Originally, Du Pont, Inc. was a tiny gun powder mill in New Jersey.
20
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
Clocks made before 1660 had only one hand - an hour hand.
41