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.
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A singing birthday card has more computing power than the allied forces in 1945.
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A WW2 observation pilot, bored of not being in combat, decided to strap 6 bazookas to his plane. He destroyed several enemy tanks and vehicles. His name was Lt. Col. Charles Carpenter, aka Bazooka Charlie / The Mad Major.
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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.
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The Canadian province of New Brunswick (which was part of the UK at the time) had a bloodless war with the US state of Maine in 1839
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