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303 BCE
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Dura Europos Founded by Seleucids
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150 BCE
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Dura is rebuilt as a great Hellenistic city, with a grid of streets around a large central agora
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165 CE
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Romans capture Dura Europos
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230
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House-church and synagogue of Dura Europos are constructed and decorated with murals
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256
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A Sassanian siege brings the history of Dura Europos to an end
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1920
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Archaeological excavations are carried out by French and American teams.
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30 Mar 1920
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During the Arab rebellion in the aftermath of World War I, a British soldier digging a trench uncovers beautifully preserved frescoes, alerts American archeologist James Henry Breasted, then at Baghdad
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1922
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Franz Cumont publishes the first archaeological reports on the site, identifying it as Dura-Europos. A temple is uncovered before renewed hostilities in the area close it to archaeology.
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1928-37
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Excavations at Dura Europos
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1986
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Excavations resume at Dura Europos.