Galatia Timeline

The Galatians are invited over into Anatolia by Nicomedes I of Bithynia to help fight against the forces of Pontus.

Antiochus I Soter of the Seleucid Empire killed in battle against the Galatians at Ephesus in Asia Minor.

Galatians defeat Seleucus II in a battle near Ancyra.

Attalus I of Pergamon defeats the Galatians at the headwaters of the Caioc River.

Attalos I defeats the Galatians a second time.

Ziaelas, king of Bythinia, is killed by Galatian generals at a feast in a fool's game.

The Aegosages Celts enter Anatolia under Attalos of Pergamon.

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.

Antiochus III and his army, including many Galatians, are defeated by Rome at Magnesia.

Manlius Vulso attacks the Galatians for fighting alongside Antiochus III and scores two victories in Galatia at Mount Magaba and Mount Olympus.

Mithradates V commits the 'Massacre of the Tetrarchs', killing nearly all of the 60 Galatian chiefs to dine with him. Deiotaros survives.

Deiotaros drives out Zeumachus, Mithradates appointed governor of Galatia.

Galatia becomes a client state of Rome.

Galatia is peacefully absorbed into the Roman Empire.