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TIL the SR-71 Blackbird's original name was the RS-71, but Lyndon Johnson messed up during the announcement and called it the SR-71 and the name stuck

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RBml TIL that Tom Hanks in Castaway allowed himself to gain weight to fit the role of a middle-aged man. Production was then halted for a year so he could lose 50 pounds and grow out his hair for his time spent on the island. During the hiatus, Robert Zemeckis used the same crew for What Lies Beneath.
W70rY TIL the only wedding ceremony of a president serving in the White House was Grover Cleveland in 1886. At 49, he married a 21-year-old woman he had previously been the legal guardian of, and John Philip Sousa provided the music.
nePK7 TIL about the biggest pizza ever created. It was 13,580 square feet and made in Rome, Italy, in 2012. The pizza was gluten-free and named “Ottavia” after a roman emperor.
J1Dg1 TIL Snow leopards are not actually a sub species of leopards. In fact, they are instead more related to tigers than any true leopard.
0QYv TIL warheads candies are more acidic than stomach acid and approach the pH level of sulfuric acid.