Visual Timeline: Celt

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900 BCE 800 BCE 700 BCE 600 BCE 500 BCE 400 BCE 300 BCE 200 BCE 100 BCE  
900 BCE: Celtic Migration begins in Europe with many Celts landing in Scotland.
800 BCE - 600 BCE: Early Iron Age Hallstatt culture flourishes across Europe.
700 BCE: Iron Age begins in Scotland.
600 BCE: Celts settle Iberia.
500 BCE - 450 BCE: Hallstatt kingdoms and chiefdoms suddenly collapse for reasons unclear.
475 BCE: Celts defeat the Etruscans at the Ticino River.
450 BCE: Rise of the Celtic La Tene culture.
400 BCE: Celts enter Italy and settle in the Po Valley. Etruscan power declines.
396 BCE: Celts defeat the Etruscan army at the battle of Melpum. Afterwards the Celts heavily settle all over the Po Valley.
391 BCE: Senones besiege Clusium, an Etruscan city.
387 BCE: "Gallic Catastrophe:" Duke Brennus of the Celts defeats the Romans at Allia, and subsequently sacks Rome. Celts move off after ransom is paid.
380 BCE: Celtic groups, possibly from northern Italy and the eastern Alps, begin to raid Illyrian territories.
367 BCE: Celtic mercenaries fight with the Spartans against Thebes.
367 BCE: Livy mentions Celtic armies in Ancona and one such group moves against Rome once more.
335 BCE: Alexander the Great receives Celtic ambassadors in the Balkans.
334 BCE: Rome signs a peace treaty with the Senones tribe.
323 BCE: Alexander the Great receives Celtic delegations in Babylon.
297 BCE: Celts and Samnites join forces and defeat the Romans at Camertium.
295 BCE: In a battle lasting all day, Romans narrowly defeat a force of Celts and Samnites at Sentinum.
285 BCE - 282 BCE: Rome defeats the Celts in Italy. Rome's dominance in central Italy is secured.
285 BCE: Roman forces heavily defeat the Senones at Lake Vadimo.
284 BCE: Gauls of the Insubres and Boii tribes defeat the Romans at Arretium.
283 BCE: Rome decisively defeats the Senones at Picenum.
283 BCE: Romans defeat the Etruscans and Celts at lake Vadimonis.
282 BCE: A Celtic army with many youth among their ranks is again defeated by Romans.
280 BCE: Celts join with Pyrrhus, aiding in his victory over the Romans at Heraclea.
279 BCE: Celts invade Thrace and Anatolia.
279 BCE: Celts stay with Pyrrhus and fight in the Epirote army at Asculum, a victory over the Romans.
277 BCE - 276 BCE: 4,000 Celts are employed in Egypt under Ptolemy II.
275 BCE: Seleucids successfully defeat the Galatian Celts in the 'Elephant Battle'.
263 BCE: Antaros and 3000 Celts fight with Carthage in the First Punic War.
261 BCE: Antiochus, king of the Seleucid empire, is killed in battle against the Galatians at Ephesus in Asia Minor.
260 BCE: Timaeos is the first to use the term 'Celtiberian' when refering to Celts living in Iberia.
259 BCE: Celts in Egypt fail to overthrow Ptolemy II and are starved to death on an island.
237 BCE - 241 BCE: Attalos I of Pergamon defeats the Galatians at the headwaters of the Caioc River.
232 BCE: Attalos I defeats the Galatians a second time.
225 BCE: Two Roman armies surround and defeat a Celtic army at Telamon.
225 BCE: Celts defeat 6000 Romans at Faesulae and proceed to overrun Etruria.
223 BCE: Romans successfully campaign against Celtic tribes of Cisalpine Gaul.
222 BCE: The Celts are defeated at Clastidium by Roman forces.
218 BCE: The Aegosages Celts enter Anatolia under Attalos of Pergamon.
217 BCE: 14,000 Celts serve under Ptolemy IV in his victory at Raphia over the Seleucid King Antiochos III.
217 BCE - 218 BCE: 30,000 Celtic infantry and 4,000 Celtic cavalry join Hannibal. Celts constitute just over 50% of his army in Italy.
217 BCE: Prusias of Bithynia in Asia Minor massacres the Aegosages including the women and children.
215 BCE - 216 BCE: The Boii crush a Roman army 25,000 strong at Litana. Victory was, in part, achieved by pushing precariously cut trees down atop the horrified Romans as they marched.
212 BCE: The Celtic kingdom of Tylis in Thrace is overthrown by native Thracians. Cavaros is the last ruler of the small kingdom.
200 BCE - 100 BCE: Oppida (Celtic fortified tribal centers) spread.
200 BCE: Iron in the Celtic world experiences a significant boom. Iron manufacturing increase in all facets of life such as weapon construction and agriculture items.
193 BCE: The Boii are defeated by the Romans, suffering, according to Livy, 14,000 dead.
137 BCE: 4,000 Celtiberians trap a force of 20,000 Romans at Numantia forcing their surrender.
133 BCE: Numantia falls to the Romans who besiege the oppidum. Mass suicide ensues among many of the survivors. Land reforms by Tiberius Gracchus.
125 BCE: Rome intervenes on behalf of Massalia against the Saluvii Celts.
106 BCE: The governor of the Roman province of Macedonia, M. Minucius Rufus, celebrates his victory over a raid of the Dacians allied with the Celtic tribe of the Scordiscii in the Balkans.
64 BCE: Galatia becomes a client state of Rome.
60 BCE: Boii in eastern Europe crushed by the Dacians.
58 BCE: Caesar attacks the Helvetii while on migration and defeats them.
57 BCE: A Roman army under Caesar narrowly defeats an army of Nervii, Atrebates, and Viromandui.
56 BCE: The navies of Rome and the Veneti Gauls clash resulting in a Roman victory. This is the first recorded naval battle in the Atlantic Ocean.
54 BCE - 53 BCE: Ambiorix of the Eburones tribe destroys around 9,000 Roman soldiers at Atuatuca.
52 BCE: Caesar defeated at Gergovia by Vercingetorix.
52 BCE: After becoming trapped and besieged at Alesia Vercingetorix surrenders to Caesar.
51 BCE - 30 BCE: 300 Celts serve as elite bodyguards for Cleopatra VII during her reign.
51 BCE: Caesar's capture of Uxellodunum ends the Gallic War.
46 BCE: The Bellovaci unsuccessfully rise against Roman rule in Belgica.
44 BCE: The Allobroges unsuccessfully rise against Roman rule in southern Gaul.
33 BCE: The Belgic Morini and the Celts of Aquitania unsuccessfully rise against Roman rule.
4 BCE: At the funeral of Herod II, his Celtic bodyguards are in attendance.
900 BCE 800 BCE 700 BCE 600 BCE 500 BCE 400 BCE 300 BCE 200 BCE 100 BCE