The last time American Green cards were actually green was 1964.
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A monk had once written over a book that contained information about calculus that was written by Archimedes in ancient Greece that could have made us 100 or even 1000 years more mathematically and technologically advanced.
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Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
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There is a 600 year old 240 paged book called the Voynich Manuscript, that’s written language is still completely unknown today.
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Contrary to popular belief, the first ironclad warships were built by Korea in the 16th century.
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The ancient Egyptians bought jewelry for their pet crocodiles.
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In 1987 American Airlines saved $40,000 by eliminating one olive from its First Class salads.
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London's Pall Mall became the first street lit by gaslight in 1807!
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