Domitian was Roman Emperor

Roman Emperor

The Roman emperor was the ruler of the Roman State during the imperial period . The Romans had no single term for the office although at any given time, a given title was associated with the emperor...

 from 81 to 96. Domitian was the third and last emperor of the Flavian dynasty

Flavian dynasty

The Flavian dynasty was a Roman Imperial Dynasty, which ruled the Roman Empire between 69 and 96 AD, encompassing the reigns of Vespasian , and his two sons Titus and Domitian . The Flavians rose to power during the civil war of 69, known as the Year of the Four Emperors...

.

Domitian's youth and early career were largely spent in the shadow of his brother Titus

Titus

Titus , was Roman Emperor from 79 to 81. A member of the Flavian dynasty, Titus succeeded his father Vespasian upon his death, thus becoming the first Roman Emperor to come to the throne after his own father....

, who gained military renown during the First Jewish-Roman War

First Jewish-Roman War

The First Jewish–Roman War , sometimes called The Great Revolt , was the first of three major rebellions by the Jews of Judaea Province , against the Roman Empire...

. This situation continued under the rule of his father Vespasian

Vespasian

Vespasian , was Roman Emperor from 69 AD to 79 AD. Vespasian was the founder of the Flavian dynasty, which ruled the Empire for a quarter century. Vespasian was descended from a family of equestrians, who rose into the senatorial rank under the Emperors of the Julio-Claudian dynasty...

, who became emperor in 69 following the civil war

Civil war

A civil war is a war between organized groups within the same nation state or republic, or, less commonly, between two countries created from a formerly-united nation state....

 known as the Year of the Four Emperors

Year of the Four Emperors

The Year of the Four Emperors was a year in the history of the Roman Empire, AD 69, in which four emperors ruled in a remarkable succession. These four emperors were Galba, Otho, Vitellius, and Vespasian....

. While Titus effectually reigned as co-emperor with his father, Domitian was left with honours but no responsibilities.