- 180 BC
* After three years of intriguing against his younger brother Demetrius, including accusing him of coveting the succession to the Macedonian throne and being allied to Rome, Perseus persuades his father King
Philip V of Macedonto have Demetrius executed.
* Rome completes its subjugation of all of
Italywith the defeat of the Ligurians in a battle near modern Genoa. Rome deports 40,000 Ligurians to other areas of the Republic.
Luccabecomes a Roman colony.
Ptolemy VI Philometor, aged 6, rules as co-regent with his mother, Cleopatra I, who, although a daughter of a Seleucidking, does not take King Seleucus IV's side and remains on friendly terms with Rome.
* Following the death of
Aristophanes of Byzantium, Aristarchus of Samothracebecomes librarian at Alexandria.
* Demetrius I starts his invasion of north-western
India, following the earlier destruction of the Mauryan dynastyby general Pusyamitra Sunga.
Apollodotus I, a general with Demetrius I of Bactria, becomes king of the western and southern parts of the Indo-Greek kingdom, from Taxilain Punjab to the areas of Sindhand possibly Gujarat. He maintains his allegiance to Demetrius I.
* Emperor Wen of the
Han dynastyascends to the Chinese throne after quelling the clans of Empress Dowager Lü.
Apollodorus of Athens, Greek scholar and grammarian (d. c. 120 BC)
Viriathus, Lusitanian chieftain and general (d. 139 BC)
Lucius Valerius Flaccus, Roman statesman, consul in 195 BC, censor in 183 BCand colleague of Cato the Elder.
Aristophanes of Byzantium, Greek scholar, critic and grammarian, particularly renowned for his work in Homeric scholarship, but also for work on other classical authors such as Pindarand Hesiod. After early studies under leading scholars in Alexandria, he has been chief librarian since about 195 BC(b. 257 BC)
Empress Dowager Lü, de facto ruler of the Chinese Han dynastyand wife of Emperor Gao
* Liu Hong, fourth emperor of the Chinese
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