Pope Innocent I was elected.
Pope Anastasius I became the Bishop of Rome, reigning until his death.
The Greek philosopher Socrates was sentenced to death for corrupting the minds of Athens's youth.
The Alemanni crossed the frozen Rhine in large numbers and invaded the Roman Empire.
The estimated magnitude 8.0 earthquake caused the island of Crete to rise 30 feet (9 meters) above sea level.
Roman Emperor Valentinian I made his brother, Flavius Valens, his co-emperor.
Valentinian I, also known as Valentinian the Great, ascended to the throne as the Roman emperor.
Emperor Constantius II was baptized on his deathbed hours before passing.
The Temple of Artemis, one of the Seven Wonders of the World, was set on fire by Herostratus.
Roman general Claudius Silvanus fraudulently proclaimed himself Roman emperor and was hacked to death.
Christmas was celebrated in Rome, marking the first time in recorded history that the holiday was celebrated.
The doctrine of the Holy Trinity was established after the end of the Council of Nicaea.
The first Christian ecumenical council opens at Nicaea, Asia Minor. It was the first attempt to achieve agreement in the church.
Roman Emperor Constantine had his Vision of the Cross.
Pope Saint Eusebius became the bishop of Rome.
Maxentius became a Roman emperor, until his death exactly six years later.
Roman soldier Diocletian was appointed the new Roman Emperor after Roman Emperor Carus's death.
Ramesses II, also known as Ramesses the Great, became the third pharaoh of the 19th Dynasty of Egypt.
Roman Emperor Decius ordered everyone in the Roman Empire to make sacrifices to the Roman gods.
Shapur I became co-emperor of the Sasanian Empire with his father Ardashir I.
Pope Fabian succeeded Anterus and became the twentieth pope of Rome.
Saint Anterus became the Bishop of Rome.
Roman Emperor Caracalla was stabbed to death by a guard while urinating.
Roman Emperor Domitian was assassinated, and Marcus Cocceius Nerva became the new Emperor.
Roman Emperor Commodus survived an assassination attempt.
The famous Trojan Horse was used by the Greeks to gain entry into Troy.
Twelve North African Christians, known as the Scillitan Martyrs, were executed for their religious beliefs.
Emperor Otho began his three-month reign after overthrowing the previous emperor.
Nero began his reign as Roman Emperor at the age of 16, as his predecessor Claudius died from suspicious circumstances.
Julius Caesar and his armies crossed the Rubicon River, an act that directly led to the Roman Civil War.
The Battle of Pharsalus ended.
The Battle of Dyrrhachium occurred.
Julius Caesar and his legions made battle with one of Caesar's former forces in the Battle of Ruspina in Africa.
The Julian Calendar was used for the first time.
Queen Cleopatra VII of Egypt named her son Ptolemy XV Caesar a co-ruler of Egypt.
Julius Caesar was assassinated.
The Battle of Forum Gallorum took place to besiege Julius Caesar's assassin, Decimus Junius Brutus.
Claudius became the Roman Emperor.
Jesus Christ's Last Supper was held.
Gaius Julius Caesar Octavian became the first Roman Emperor.
A solar eclipse occurred, which is said to have marked the birth of the Greek legend Hercules.
The Mayan calendar started being used.
God created the world, at least according to Archbishop James Ussher of Armagh.
