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TIL that Julia Dent Grant was the first First Lady to be filmed and that she originated the concept of the State Dinner at the White House. Her first dinner honored visiting King Kalākaua of the Kingdom of Hawai'i.

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WkEGL TIL Stephen King suffers from triskaidekaphobia which is the fear of the number 13. People that have this phobia avoid the number 13 in everyday scenarios like climbing stairs, flipping through channels and page numbers. King has stated, "It’s neurotic, sure. But it’s also . . . safer".
Lklm TIL wearing sunglasses makes you more susceptible to becoming sunburned. Sunlight stimulates the optic nerve and warns the pituitary glad. This results in the release melanocyte stimulating protein in an attempt to prevent burns
y8ZX TIL in 2007 a report was published in Ireland which stated that over half of Ireland’s native gypsy population - called Travellers - do not live past the age of 39 years.
Rbn1 TIL “scalp” is actually a mnemonic for skin, connective tissue, aponeurosis, loose areolar connective tissue, and pericranium.
pYYPO TIL in 1997 scientists successfully turned light into matter and antimatter