Visual Timeline: Galatia

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280 BCE 270 BCE 260 BCE 250 BCE 240 BCE 230 BCE 220 BCE 210 BCE 200 BCE 190 BCE 180 BCE 170 BCE 160 BCE 150 BCE 140 BCE 130 BCE 120 BCE 110 BCE 100 BCE 90 BCE 80 BCE 70 BCE 60 BCE 50 BCE 40 BCE 30 BCE  
278 BCE: The Galatians are invited over into Anatolia by Nicomedes I of Bithynia to help fight against the forces of Pontus.
261 BCE: Antiochus I Soter of the Seleucid Empire killed in battle against the Galatians at Ephesus in Asia Minor.
246 BCE: Galatians defeat Seleucus II in a battle near Ancyra.
237 BCE - 241 BCE: Attalus I of Pergamon defeats the Galatians at the headwaters of the Caioc River.
232 BCE: Attalos I defeats the Galatians a second time.
228 BCE: Ziaelas, king of Bythinia, is killed by Galatian generals at a feast in a fool's game.
218 BCE: The Aegosages Celts enter Anatolia under Attalos of Pergamon.
200 BCE: The main centers of the Galatians are known as capitols of the three main tribes: Ankyra to the Tectosages, Tavium to the Trocmi, and Pessinus to the Tolistoboii.
191 BCE: Antiochus III and his army, including many Galatians, are defeated by Rome at Magnesia.
189 BCE: Manlius Vulso attacks the Galatians for fighting alongside Antiochus III and scores two victories in Galatia at Mount Magaba and Mount Olympus.
88 BCE: Mithradates V commits the 'Massacre of the Tetrarchs', killing nearly all of the 60 Galatian chiefs to dine with him. Deiotaros survives.
74 BCE: Deiotaros drives out Zeumachus, Mithradates appointed governor of Galatia.
64 BCE: Galatia becomes a client state of Rome.
25 BCE: Galatia is peacefully absorbed into the Roman Empire.
280 BCE 240 BCE 200 BCE 160 BCE 120 BCE 80 BCE 40 BCE