The flag of the Philippines is flown with the red stripe up in times of war and blue stripe up in times of peace.
8
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25
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.
31
During World War 1, Harry Houdini took 1 year off performing to help sell war bonds and teach american soldiers how to escape from German handcuffs.
34
A singing birthday card has more computing power than the allied forces in 1945.
30
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45