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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In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
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A singing birthday card has more computing power than the allied forces in 1945.
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The flag of the Philippines is flown with the red stripe up in times of war and blue stripe up in times of peace.
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During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
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The handbook issued to US soldiers in Britain during WW2 included the line "The British don't know how to make a good cup of coffee. You don't know how to make a good cup of tea. It's an even swap."
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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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