Allied troops began the attack on Paris during World War II.
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One billion people logged into Facebook for the first time, surpassing a major milestone.
Astronomers announced the discovery of an Earth-like planet named Proxima b.
Donald Trump became the first former US President to have their mug shot taken.
A Massachusetts lottery player, Mavis Wanczyk, won a staggering $758.7 million, claiming the largest lottery win in the US.
Ukraine separated from the Soviet Union, marking this day as Ukraine’s Independence Day.