In 1918, after the treaty of Versailles (end of WWI), the French Commander-in-chief said "This is not a peace. It is an Armistice for 20 years." 20 years and 65 days later, WWII happened.
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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
In 1518, a "dancing plague" struck Strasbourg, Alsace, whereby hundreds of people danced fervently in the streets over the period of a month. Some suffered heart attacks or strokes, and many others died from sheer exhaustion. It remains unexplained.
19
Clocks made before 1660 had only one hand - an hour hand.
41
Romans used a plant called Silphium as contraception. They had so much sex that they drove it into extinction.
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