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TIL starting in the 1920s, shoe stores commonly had fluoroscope (X-ray) machines to check the fit of feet in shoes. The last of these were banned in the late 70s due to increased awareness of health risks from radiation.

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p50N TIL That despite voting for prohibition as a U.S. Senator, President Warren G. Harding kept a fully stocked bar of alcohol in the White House during his administration in the 1920’s.
9wJeB TIL in 2023, Heinz created a Label of Truth that shows the exact Pantone reference color of Heinz ketchup. This is so that consumers can trust that they are being served the right product. The scale measuring the color of ketchup ranges from "Heinz" to "Not Heinz" and "Is That Even Ketchup?"
v5rr TIL Chef Boyardee of canned Ravioli fame was awarded both the Gold Star order of excellence from the US War Dept. & the Order of Lenin from Russia for supplying rations to allied troops during WWII
wo6y8 TIL In 1921 conman Stanley Clifford Weyman posed as a U.S. naval officer and convinced an Afghan Princess to give him $10,000 to set up a meeting with the President. He spent it on travel and lodging for her, and got her a meeting with the President. The ensuing press coverage led to his arrest.
KOy9J TIL during the Operations Crossroads Nuclear Test, much of the ships surrounding the blasts were populated with test animals, many died, except for Pig #311, which was found swimming in the lagoon after the blast, and went on to live at the National Zoo in D.C.