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TIL Austria's Coat of Arms is the last to feature a hammer and sickle in Europe

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bPp9 TIL A single valley in Chad provides over 50% of the nutrient rich dust that is in the Amazon rain forest.
p0WO TIL The Ottoman Empire still existed when the last time the Chicago Cubs won the World Series.
awAEA TIL: Isaac Newton set out the colors of the rainbow we memorize today. However, he originally didn't include orange or indigo. He only added them later because of his occult belief that there must be 7 separate colors, just like there are 7 notes in a musical scale and 7 days of the week.
v1jy7 TIL India’s “Go Air” airline only hires female flight attendants since they are lighter by weight, so they save up to $500,000 USD per year in fuel
rRYdy TIL the “WD” in WD-40 stands for Water Displacement, and the “40” represents the forty attempts it took the inventors to get the secret formula just right - so right that the same formula is still in use today.