Spanish conquistadors defeated a large Aztec army at the Battle of Otumba.
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The English were defeated at the Battle of Stirling Bridge.
The Battle of Grunwald began.
Peter the Great of Russia defeated Sweden at the battle of Lesnaya.
A peasant uprising called the Cudgel War began in Finland.
NTC forces killed Muammar Gaddafi and his son after the Battle of Sirte.
