Nicki Minaj’s Super Freaky Girl debuted at number one on Billboard’s Hot 100.
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Napoleon Bonaparte left Egypt to return home to France.
The first-ever photograph was taken of the Earth from the surface of the Moon.
The Albert Bridge opened in London, England.
French explorer Jacques Cartier arrived in the city of Quebec during his third voyage to Canada.
Chris Messina Tweeted #barcamp, which became the first use of a hashtag on Twitter.
