The first bomb dropped on Germany in WWII killed the only elephant in the Berlin zoo!
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The Titanic was the first ship to use the SOS signal.
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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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The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
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Contrary to popular belief, the first ironclad warships were built by Korea in the 16th century.
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