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400 BCE
19th Century BC
The city is known from as early as the 19th Century. -
312 BCE
312 - 64 BC
Hellenistic period; Palmyra incorporated into the Seleucid Kingdom. -
64 BCE
64 BC
The Roman Republic annexes the Seleucid Kingdom; Palmyra remains independent. -
42 BCE
42 BC
Roman General Mark Antony attacks. -
14
14 AD
Becomes a tributary of the Roman Empire, included in the province of Syria; retains much independence, a prosperous period; called 'Palmyra' by Rome. -
109
109 AD
Assigned to the province of Phoenicia; trade affected by Roman-Parthian war. -
129
129 AD
Visited by Emperor Hadrian and declared a 'free city'; sets and collects its own taxes. -
167
167 AD
Roman garrison established -
212
212 AD
Made a Roman colonia or colony under Emperor Caracalla -
229
229 AD
Visited by Emperor Severus Alexander -
256
256 AD
Emperor Valerian gives Odaenathus the title 'Corrector of the East' and charge of Roman forces -
267
267 AD
Odaenathus and son assassinated; his wife, Zenobia, assumes power and defeats many neighbours -
271
271 AD
Palmyra beseiged by Emperor Aurelian; Zenobia, assumes power and defeats many neighbours -
273
273 AD
Palmyrenes massacre 600 Roman archers; Aurelian's legionaries retaliate, razing the city and slaughtering the citizens. Palmyra never recovers -
303
303 AD
Emperor Diocletian fortifies Palmyra as a stronghold on the eastern boundary of the Roman Empire -
312
312 AD
Roman emperor Constantine converts to Christianity -
325
325 AD
Palmyra becomes a Christain city; record of a bishop in residence -
527
527 AD
Emperor Justinian rebuilds Palmyra's defences; city now primarily a military outpost -
634
634 AD
Palmyra conquered by a Muslim army led by Khaled ibn al-Walid