Events

• Jewish Eretz Yisraeli scholar Judah ha-Nasi compiles tracts of the Mishnah, beginning the creation of Talmudic law.
• Chinese warlord Cao Cao defeats Yuan Shao in the Battle of Guandu.
• The Classic age of Maya civilization begins.
• Sun Quan founds the Kingdom of Wu.

Births

• Diophantus, Greek mathematician
• Marcus Claudius Tacitus, Roman Emperor
• Valerian I, Roman Emperor

Deaths

• Sun Ce, elder brother of the founder of Wu Kingdom, Sun Quan