The Flavians were the second dynasty to rule Rome.
By 68 AD, year of Nero's death, there was no chance of return to the old and traditional Roman Republic, thus a new emperor had to rise.
After the turmoil in the Year of the Four Emperors, Titus Flavius Vespasianus (anglicized as Vespasian) took control of the Empire and established a new dynasty.
Under the Flavians, Rome continued its expansion, and the state remained secure.

The most significant military campaign undertaken during the Flavian period, was the siege and destruction of Jerusalem in 70 by Titus.
The destruction of the city was the culmination of the Roman campaign in Judea following the Jewish uprising of 66.
The Second Temple was completely demolished, after which Titus's soldiers proclaimed him imperator in honor of the victory.
Jerusalem was sacked and much of the population killed or dispersed.
Josephus claims that 1,100,000 people were killed during the siege, of which a majority were Jewish.
97,000 were captured and enslaved, including Simon bar Giora and John of Giscala.
Many fled to areas around the Mediterranean.
Titus reportedly refused to accept a wreath of victory, as there is "no merit in vanquishing people forsaken by their own God".
The Flavians were the second dynasty to rule Rome. By 68 AD, year of Nero's death, there was no chance of return to the old and traditional Roman Republic, thus a new emperor had to rise. After the turmoil in the Year of the Four Emperors, Titus Flavius Vespasianus (anglicized as Vespasian) took control of the Empire and established a new dynasty. Under the Flavians, Rome continued its expansion, and the state remained secure.
The most significant military campaign undertaken during the Flavian period, was the siege and destruction of Jerusalem in 70 by Titus. The destruction of the city was the culmination of the Roman campaign in Judea following the Jewish uprising of 66. The Second Temple was completely demolished, after which Titus's soldiers proclaimed him imperator in honor of the victory. Jerusalem was sacked and much of the population killed or dispersed. Josephus claims that 1,100,000 people were killed during the siege, of which a majority were Jewish. 97,000 were captured and enslaved, including Simon bar Giora and John of Giscala. Many fled to areas around the Mediterranean. Titus reportedly refused to accept a wreath of victory, as there is "no merit in vanquishing people forsaken by their own God".
Ancient Rome