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TIL that the Hungarian crown has a bent cross on the top because somebody in the 17th century put the crown into an iron chest and closed it without having placed in it properly. The bent cross is used a symbol of Hungary since then.

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Ypa1x TIL that the Mississippi River has been forced through New Orleans artificially by a series of floodgates. If they fail it will shift course 85 miles west and make America's largest port effectively useless overnight.
XEO6D TIL cats can make as many as 16 different meow sounds, mostly used only when people are around. Cats also talk in more subtle ways - with their eyes and tails. A slow blink from a feline, for example, is like a wink between friends.
E7nw TIL that Fidel Castro had a serious obsession with anything dairy. He once tried to breed a super cow to no avail, brought the French Ambassador just to debate about cheese and the obsession was big enough for it to be the target for one of the many plots made by the CIA to kill him.
e0YZL TIL the Parental Advisory label was created in part because a mom caught her 11 year old daughter singing the sexually explicit lyrics to “Darling Nikki" by Prince. The Recording Industry Association of America responded by introducing a content warning label.
jd9j TIL A British sailor in WWII escaped his submarine from depths of 171 feet and managed to get to the surface and survive.