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TIL that the modern iteration of Sudoku was only invented in 1979

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4XXmX TIL In many states a military dishonorable discharge is deemed the equivalent of a felony conviction, with attendant loss of civil rights including not being allowed to own or possess a firearm.
mxemE TIL about the Shell Grotto in Margate, UK. An underground set of tunnels and passages covered from floor to ceiling in a mosaic made of seashells. It’s age and purpose remain unknown.
a8wy0 TIL that the third-ranked attraction in Cornwall, according to tripadviser, is the 'bude tunnel.' The bude tunnel is a short plastic tunnel linking a supermarket with a carpark. In contrast, most of the counties many surfing spots and historic sights are much further down the list.
LkJYP TIL that without one of the first error handling scripts developed by NASA's Margaret Hamilton the onboard moon landing system would have experienced a critical error just 3 minutes before touchdown
9aRG TIL when Matthew McConaughey was arrested for possession of marijuana in 1999, police found him playing the bongos and dancing, naked, while another man joined in and clapped along.