TIL, the blockade of North Korean port city of Wonsan during the Korean War, was the longest naval blockade in modern history. It lasted for 861 days.
TIL about the unsolved killing of Ken McElroy of Skidmore, Missouri. He was indicted 21 times and escaped conviction each time, except the last. He was later killed in broad daylight by at least two different firearms. Although this was witnessed by a few dozen people, no one has been convicted.
TIL that before British rule, India represented 30% of global GDP, by their independence it dropped to 2%. At the same time, Britain's share of the world economy rose from 2.9% in 1700 up to 9% in 1870 alone
TIL James Blunt(singer) developed scurvy in university when he ate only meat for two months 'out of principle' to annoy vegetarian classmates