Prince Philip of Edinburgh opened Britain’s first planetarium at Madame Tussaud’s in London.
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The US state of Nevada legalized gambling after previously banning it in 1909.
The last male northern white rhinoceros died.
The first Women's World Championship Ice Hockey Tournament took place in Ottawa, Ontario, Canada.
Nazi German troops began the occupation of Hungary.
Wendy's became the world's second best-selling hamburger chain, overtaking Burger King.
