Approximate birth year of Maxentius to Eutropia and Maximian.
October 28
Maxentius, jealous of the power of Constantine the Great, seizes the title of Emperor. Galerius refuses to recognize him, but is powerless to stop him.
Maximian returns to Rome but falls out with his son, Maxentius
April
Severus II is sent against Maxentius, but his troops defect and he is imprisoned.
July
Constantine the Great and Maxentius agree to a peace, brokered by Maximian, where Constantine marries Maximian’s daughter Fausta and Constantine would support Maxentius in Italy.
August
Constantine the Great leaves Gaul for Britain and chooses not to help Maxentius in Italy.
September
Severus II is executed, likely on the orders of Maxentius.
Maximian attempts to take his son Maxentius’ title. This fails and he returns to the court of Constantine the Great.
Maxentius loses Istria to Licinius.
June
Maxentius declares war on Constantine the Great.
March
Constantine the Great crosses the alps to confront Maxentius.
April
Constantine the Great defeats soldiers of Maxentius at the Battle of Turin.
October 27
The crowd openly taunts Maxentius at chariot races, saying that Constantine the Great is invincible.
October 28
Constantine the Great defeats Maxentius at the Battle of the Milvian Bridge. Constantine claims in a dream that victory requires fighting under the Chi-Ro banner. Maxentius is trapped by fleeing soldiers and drowns in the Tiber.