warhistoryonline.com

dDwKd TIL after the attack on Pearl Harbor, the USS West Virginia battleship was salvaged six months later. During the salvage operation, a calendar was discovered in an airtight room indicating three sailors survived for another 16 days after the event.
JYLr8 TIL the way Helsinki survived WW2. In 1944 the USSR began a massive air attack on the city to force Finland to leave the war. Finns used fires and searchlights to trick Soviet bombers into dropping bombs outside the city. Russian diplomats were surprised to find an intact Helsinki after the war.
YpV8P TIL CIA had an instructions manual for U2 pilots describing what they could eat, so that didn't had the urge to poop while on mission, which often spanned around 9 hours. The plane had no means of disposing the fecal matter.