Welcome to the first portion of the Celtica timeline. This particular portion of the timeline covers the ancient era, stretching from the POD in 61 AD to 499 AD. This timeline spans the war between the Iceni tribe and the Roman Empire, the creation of the Comhairle, the survival of the Celtic tribes throughout the reign and fall of the Western Roman Empire, and the creation of the Kingdom of Ollmhór.
- ? - Prasutagus, king of the Iceni tribe, details in his will that his kingdom will fall into the hands of his daughters and wife, should he perish. He does so late this year.
- ? - Boudica I begins her reign of the Iceni tribe. Relations with other tribes drastically improve. Relations with the Romans go steadily downhill, however.
- April - Rome invades the Iceni tribe. At first, the Celtic tribe quickly loses territory. However, Queen Boudica I holds the line at the Battle of Margadh Iceni. Outnumbered heavily by Roman soldiers, Boudica leads the Iceni tribe to victory.
- August - Romans attempt to kidnap Boudica's daughters. They leave Margadh Iceni for the Trinovantes territory.
- October - The Iceni and Trinovantes amass their forces together and go on the offense. The Iceni and Trinovantes regain their lost territory and continue to force the Romans out of their lands.
- January - The Iceni and Trinovantes raid Londinium under the command of Boudica. The Roman city is burned along with many other Roman cities.
- Corieltauvi, a tribe subjugated by the Romans, lead a similar revolt inspired by the Iceni tribe. They soon offer support to the Iceni cause.
- April - Venta Belgarum is destroyed. Nero offers peace to the Iceni tribe. Roman Britain is split into two colonies: the western portion of Britain that Rome was able to keep is renamed Albion and the eastern side retains the name of Britannia.
- June - The Comhairle is created. Essentially a council designed to keep each Celtic tribe acting in each others' best interests, the Comhairle becomes synonymous with 'Iceni' due to their high authority and respect among the council.
- Roman Emperor Nero dies. The Year of Four Emperors begins.
- July - Vespasian becomes Roman Emperor. Vespasian's Wall is constructed on the Comhairle-Britannia border. The wall is a very high wall with bunkers and guard posts attached to it.
- June - Vespasian dies. Titus assumes the title as Emperor of the Roman Empire.
- August - Mt. Vesuvius erupts, killing thousands. Both Roman and Iceni assume this is due to punishment of the Roman Empire by pagan gods.
- April - A fire in Rome occurs, killing hundreds.
- July - Vespasian's Wall is completed. Hostilities with the Comhairle increase due to them considering the wall a blight on the land.
- September - The Comhairle raids Vespasian's wall. Archers rain down arrows on the attacking Celts from the fortified wall. The battle results in the death of many Comhairle soldiers. Boudica herself takes an arrow to the knee, rendering her unable to fight.
- September - Titus dies. His brother, Domitian, becomes Emperor of the Roman Empire. Unlike his predecessors, he focuses more on the interior of Rome. He immediately works toward a compromise with the Comhairle.
- November - The Edict of Albion is issued, setting the Roman-Celtic borders. The border is a diagonal line from Hengistbury Head to the Severn Estuary.
- April - Celtic-Roman violence officially ceases.
- Several Germanic tribes are taken over by the Roman General Trajan. While not allied with the Celts, it does result in the mobilization of the Celtic forces, before they are reassured by the Romans that they mean no harm to the Iceni or the other Celtic tribes.
- September - Domitian is murdered by court officials after repeated attempts to undermine the senate. Nerva becomes emperor of the Roman Empire.
- January - Trajan becomes Emperor of the Roman Empire after Nerva dies. Born in Seville, Trajan will become one of the greatest Roman Emperors due to his reforms to the Roman Empire.
- May - Boudica first shows signs of Alenstún's Disease.
- The Dacians are taken over by Trajan, exceeding the limits of the Roman Empire set by Augustus.
- Trajan's Bridge is constructed over the Danube river.
- March - Boudica I continues to show signs of Alenstún's Disease. Believing she is possessed, members of the Iceni tribe go to drastic measures to chase the spirit out of Boudica's body. In the end, they slice her open in a ritual to attempt to force the evil spirit from Boudica. Boudica dies, leaving Samára to be the new Iceni Queen.
- The Roman Empire reaches its maximum extent.
- August - Hadrian becomes Roman Emperor after Trajan dies.
- The Scottish-Comhairle Wars begin. The Scottish tribes, fearful of the British tribes' power, particularly the Iceni, declare war on the British tribes. This war will last on and off for about three decades.
- July - Emperor Hadrian suffers a fatal heart attack and dies. Antoninus Pius becomes the Emperor of the Roman Empire.
- Peace talks with the Scottish end poorly when an unknown attacker attempts to bombard the place where the leaders of the British and Scottish tribes were meeting. The city of Taneldr erupts into chaos. The leaders of both parties are trapped for two weeks while Sáren is torn apart by a city-wide war. Several leaders of the tribes of Britain and Scotland die, including Samára of the Iceni. King Héron steps up as King of the Iceni.
- The Scottish-Comhairle Wars End. Several British tribes join the Comhairle. By now, the Comhairle territory stretches from the Brigantes tribe to Venta Belgarum.
- March - Marcus Aurelius becomes the Emperor of Rome. His policy with the Iceni tribe is more lenient than previous policies. Limited trade with the Iceni begins.
- The Marcomanni tribes invade the Roman Empire. This begins an eleven-year war with the Marcomanni. By 179 AD, the Marcomanni are expelled from Rome and fought on their own territory. They surrender in 179 AD.
- March - Commodus becomes the Emperor of the Roman Empire after Marcus Aurelius dies. This ends the era of the Five Good Emperors.
- April - Trading with the the Iceni picks up. Several warriors visit Rome to become gladiators for Emperor Commodus' enjoyment.
- December - Commodus is assassinated after ordering his mistress to be executed. Rome falls into disarray for a few months.
- Year of Five Emperors. Septimus Severus eventually comes out on top, becoming Emperor of Rome and starts the last dynasty before the Crisis of the Third Century.
- April - Vespasian's Wall is abandoned until 194 AD, though the Iceni tribe remains unaware of this until after the wall is resettled.
- February - Septimus Severus dies. Caracalla and Geta become Emperors of the Roman Empire. Geta is later murdered by his brother and co-emperor, Caracalla.
- Roehn I becomes King of the Iceni Tribe.
- Macrinus becomes Roman Emperor after Caracalla is assassinated by the Praetorian Guard.
- The Colosseum in Rome is damaged by fire, likely caused by lightning.
- Macrinus flees the Roman Empire, but is caught and executed. Elagabalus becomes the new Roman Emperor.
- A prolonged snowstorm results in 5% of the Iceni tribe dying. Roehn is said to have committed suicide by walking into the snowstorm. Roehn II becomes King of the Iceni.
- The Praetorians kill Elagabalus and drag his dead body through Rome before dumping it into the Tiber River. Alexander Severus becomes the new Emperor of Rome.
- Alexander Severus is killed in a revolt. When someone from outside the Roman Empire becomes Emperor, the Senate begins to panic.
- Crisis of the Third Century begins in the Roman Empire. This period results in the near collapse of the Roman Empire due to civil war, invasion and disease.
- Roehn II dies. Boudica II becomes Queen of the Iceni.
- Vespasian's Wall is abandoned again.
- Boudica II claims Vespasian's Wall as Iceni's. Roman armor and weapons make their way into Iceni possession. Ex-Roman soldiers begin to defect into the Iceni tribe. Former Roman Emperor Maximinus Thrax even makes it to the Iceni.
- The Roman Empire requests for Maximinus Thrax to be handed over. When the Iceni tribe refuses, the Roman Empire invades. The Trinovantes are invaded first. Their nation is used as a springboard for the Roman war effort. The war is short; the Roman Empire leaves Britain, but the remnants of the Trinovantes tribe request for the annexation of the tribe by Iceni. Iceni accepts.
- Boudica II dies of an illness. Tárea becomes Queen of the Iceni.
- The Saxons invade Comhairle. The First Comhairle-Saxon War begins. The war lasts for seven years and results in the end of Saxon hostilities toward the Iceni for centuries.
- Queen Tárea is killed in the Battle of Osórgon. Her husband, King Talí the Warrior, takes the throne. He pushes the Saxons out of Iceni lands and keeps them out.
- End of the First Comhairle-Saxon War.
- The Gallic Empire rebels from the Roman Empire, taking Albion and Britannia with it. Comhairle takes the opportunity to attack the Gallic Empire, taking much of its holdings in Britain. While Rome sees this as help, Comhairle secretly wanted to vent their anger over the slaughter of 243 AD.
- All of Gallic Britain is taken by the Iceni.
- The Gallic Empire surrenders to Rome. The Roman Empire is re-united again. The Iceni tribe is given weapons, armor and supplies. Borders revert to the way they were before the civil war.
- November - Diocletian becomes Emperor of Rome. His reforms preserve the empire for some time.
- End of the Crisis of the Third Century.
- Diocletian divides the Roman Empire in the aftermath of the crisis. He becomes Emperor of the Western Roman Empire while his friend, Maximian, becomes Emperor of the Eastern Roman Empire.
- July - Constantine I becomes Emperor of Rome. One of the most remembered Emperors in Roman history, Constantine the Great is known for his religious tolerance and reforms.
- February - The Edict of Milan is issued, granting tolerance to all religions in the Roman Empire, allowing Christians to worship as they please.
- Constantinople becomes the capital of the Roman Empire.
- A mass migration out of Roman Britain begins. The military is reduced to help fight the Visigoths.
- May - Constantine I dies. He converts to Christianity on his deathbed.
- Emperor Constantine II crosses the Alps and attacks the army of Constans I at Aquileia in northern Italy. When he is ambushed and killed by Constans, Constans is left sole ruler of the Western Roman Empire, with his other brother, Constantius II, Emperor of the Eastern Roman Empire.
- October - A disgraced Roman General is exiled to Comhairle. The Comhairle, after a large ordeal, take the general in.
- The disgraced Roman General teaches the Iceni Roman military tactics. The already well-supplied Iceni military becomes well-prepared for defense.
- Several Pictish tribes join the Comhairle, while others try raiding Comhairle lands instead. The invading tribes are fought back and several are invaded themselves. The Pictish Wars begin.
- General Kalen leads the assault against Comhairle. This push, known as the Kalen Offensive, pushed Comhairle back to the middle-Damnonii borders. As Iceni warlords study these tactics and record them, they begin to make a push in late December.
- Death of General Sara. General Sara of the Comhairle is said to be a brother of General Kalen, though others claim that they were just close friends at one point. Sara is killed at the First Battle of Damnonii by Kalen himself.
- A Comhairle assault against the Pictish tribes is led by General Sara's son, Careus. Careus, the son of a Roman woman and a Celtic father, defeats General Kalen at the Second Battle of Damnonii.
- The Picts surrender to Comhairle. The Pictish Wars end. Sara Memorial Parade occurs in Iceni.
- Careus, the Iceni General who had defeated General Kalen, becomes the Head Warlord of Comhairle.
- Theodosius I of the Roman Empire dies. The Eastern and Western Roman Empires are split forever.
- Several Germanic tribes flood into Roman Gaul. The eastern frontier of the Western Roman Empire has been completely overrun.
- Constantine III orders the Roman Military in Britain to help fight in Gaul. This is generally seen as Rome's withdrawal from Britain.
- Iceni King Karlus II invades the defenseless Albion, quickly taking much of the area. General Careus leads the assault.
- Comhairle forces surround Britannia. Using tactics employed by General Kalen during the Pictish Wars, Iceni is able to take the city and the surrounding land. Britannia surrenders.
- In order to effectively run Iceni, a governmental change is in order. Dubbed the Council of Londinium, the Comhairle Generals and warlords all meet at the rebuilt Londinium to discuss these changes. The changes are so drastic that an entirely new state is proposed. Debating goes on for years.
- The Kingdom of Ollmhór is established. Led by Careus I, the General that helped in the Pictish Wars, Ollmhór is a more effective ruling body of Britain. Londinium becomes the capital of Ollmhór.
- Patrickus, a Christian Priest in Londinium, begins spreading Christianity around Ollmhór. Though it is massively unpopular at first, Patrickus is highly liked by both Ollmhór and the Christian Church. Patrickus is named Bishop of Ollmhór. Ollmhór grants him permission to establish a Cathedral in Londinium.
- Patrickus visits Boudica I's grave on his way north.
- The Roman Empire loses control of Carthage.
- Patrickus visits Ireland.
- After a mutiny, the OTL Anglo-Saxons begin moving to Ollmhór, boosting the population, though others wanted revenge on Ollmhór.
- A rogue group of would-be Anglo-Saxon settlers attack Ollmhór. Ollmhór casualties are minimal and the rogue group surrenders.
- Careus I dies of old age. Vortigern assumes the throne of King of Ollmhór.
- The Diocese of Ireland is established by Patrickus. He becomes Bishop of Ireland, leaving another priest to become Bishop of Ollmhór.
- Division of the Hunnic Empire.
- Edict of Abona is passed. All Roman and Saxon refugees are to be questioned before entering Ollmhór.
- Patrickus dies. The priest will eventually be canonized as a Saint.
- Vortigern I dies. Uther I becomes King of Ollmhór. He is the great-grandson of Careus I.
- The Western Roman Empire falls. An influx of refugees hits Ollmhór, boosting the population.
- The Diocese of Northern Ollmhór is established in Damnonii.
- Clovis I becomes king of the Western Franks.
- Uthyr becomes King of Ollmhór. Due to increased aggression shown by the Saxons, Castle Camelot is established in OTL Kent.
- The First Saxon Invasion of Ollmhór takes place.
- Uthyr of Ollmhór establishes the Twelve Knight's Order.
- Clovis conquers the last free remnant of the Western Roman Empire.
- Hrothgar becomes king of the Danes.
- Edgetho becomes king of the Geats