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TIL the graphic design of Swiss 2 franc coin has not been updated for 148 years. Other than datestamp, the 2022 coins look identical to 1874 coins.

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p8lLG TIL that there is a standard for sending internet packets using people and flags
VMX8p TIL In 2003, a woman had a heart attack during a flight. The attendant asked for any doctor on board, and 15 expert cardiologists appeared, saving her life.
pwPA TIL that the Vatican City is named after the hill that it’s built upon, the name of which pre-dates Christianity
rNN80 TIL in 1880 Alexander Graham Bell and his assistant Charles Sumner Tainter created a very early precursor to fiber-optic communications, the Photophone, a device allowed for the transmission of sound on a beam of light.
8egEX TIL tipping was abolished in Switzerland in 1974 after a dispute over taxes on tips. Service is now included in prices, with higher wages replacing tips.