Tanks were used for the first time in battle, at the Battle of the Somme, during World War I.
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The 2000 Summer Olympic Games opened in Sydney, Australia.
Ren Zhengfei founded Huawei Technologies Co., Ltd. in China.
Aboard the HMS Beagle, Charles Darwin discovered the Galapagos Islands.
Michael Stewart, a victim of police brutality, was beaten and arrested in New York.
The Soviet Union launched Zond 5, the first spacecraft to successfully circle the moon and return to earth.