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
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
A singing birthday card has more computing power than the allied forces in 1945.
30
In 1916, a US amendment was proposed to put all acts of war to a national vote. If you voted yes you would have to register as a volunteer for service in the United States Army.
5
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25