Answer
Domitian, the last of the Flavian emperors, is the final subject of Suetonius's series of imperial biographies. Known for his tyrannical rule, Domitian's reign was marked by political repression, economic decline, and military setbacks. His assassination in 96 AD brought an end to the Julio-Claudian and Flavian dynasties, ushering in a period of instability and civil war known as the Year of the Four Emperors.