Nazi German troops began the occupation of Hungary.
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Wendy's became the world's second best-selling hamburger chain, overtaking Burger King.
The Standard Time Act was signed into US law, introducing Daylight Saving Time.
Zack Snyder's 'Batman v Superman: Dawn of Justice' premiered at Mexico City's Auditorio Nacional.
Prince Philip of Edinburgh opened Britain's first planetarium at Madame Tussaud's in London.
The last male northern white rhinoceros died.
