Spanish conquistadors defeated a large Aztec army at the Battle of Otumba.
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Estonian tribes defeated Sweden in the Battle of Lihula.
Julius Caesar and his legions made battle with one of Caesar's former forces in the Battle of Ruspina in Africa.
The Battle of Stamford Bridge occurred between the English army and a Norwegian force.
The first battle between the Spanish settlers and the Mexican natives of the Otomi and Tlaxcalans tribespeople started.
A peasant uprising called the Cudgel War began in Finland.