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TIL about ColorADD - A system of symbols designed to help colourblind people distinguish colours

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v08j TIL That the US fought wars against the Native Americans until 1915.
lo06r TIL Irish people drink more tea than the British. And while India and China produce most of the world's tea, neither of them is in the top 10 tea drinking countries.
JZdB TIL that dating was such a novelty in the early 1900s that women were often misperceived as prostitutes and arrested for letting a man buy them dinner
4XaDR TIL: Yosemite has two main valleys, Yosemite and Hetch Hetchy, but HH is flooded by a dam/reservoir built in 1923. John Muir and other environmentalists fought to block the dam and said of the valley’s spectacular beauty: “no holier temple has ever been consecrated by the heart of man.”
J1DxB TIL that forty years passed from the date of Jesus' crucifixion before any written account of his life and teachings was put to paper.