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171

TIL that during the construction of the Hoover Dam in 1931 it was the very first time employers required workers to wear hard hats

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VBoVQ TIL: You should brush your teeth before breakfast to protect the tooth enamel from food acid - I’ve always brushed them afterwards to ensure they’re free of food before I leave the house
WkkoX TIL The handshake was used as a gesture to show neither party was carrying a weapon, or to shake loose any hidden weapons.
E9Dw TIL color laser printers print a watermark on every page that identifies the printer to ease government fears of forgery.
WkN6d TIL 40% of millennials believe they'll never own a house.
DQBnY TIL Indonesia briefly withdrew from the United Nations in 1965 in response to the election of Malaysia to the UN Security Council amid conflict between the two nations. Indonesia returned to the UN a year later after Sukarno's ouster. This remains the only time a country has withdrawn from the UN.