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TIL that it wasn’t until 1970 that the exclamation point consistently had its own key on most typewriter keyboards! If your typewriter didn't have one, the convention was to type a period, then go back and type an apostrophe above it!

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4JVw TIL in 2004 a lifeguard was swimming with his daughter when dolphins started circling them. He then noticed a shark beneath them. The shark was driven away by the dolphins.
e0gXg TIL that in 1978, and architecture student discovered the Citigroup Center in NYC was susceptible to strong winds due to it being on stilts. Renovations to address the issue were done during a newspaper strike at night while employees were at home. This work was largely unkown unknown until 1995!
eyLk TIL Thomas Jefferson created his own Bible, 46 pages long, using a razor he cut and pasted selected verses. It excluded angels, references to the Trinity, and all miracles by Jesus including the resurrection.
l7xka TIL about a woman being seriously injured while magnet fishing from a bridge. She had the rope tied to her wrist and threw the magnet over. It got caught on a fast moving boat which caused her to be immediately pulled off the bridge and into the water. Her boyfriend jumped in to rescue her.
oWyL TIL there’s a a fake bomb detector produced in the UK that has been sold to 20 countries in the Middle East and Far East, including Iraq and Afghanistan, for as much as $60,000 per unit. The fake bomb detector is still in use by police and army in those countries.