Spanish conquistadors defeated a large Aztec army at the Battle of Otumba.
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The London bombings took place.
'Harry Potter and the Deathly Hallows – Part 2' premiered in London.
Dutch artist Wilfred Stijger broke the world record for the tallest sandcastle.
UK Prime Minister Boris Johnson resigned after numerous Conservative Party members voiced their lack of confidence in him.
Jesse James and the famous James-Younger Gang robbed the Missouri Pacific Railroad near Otterville, Missouri, US.
