The system of government established by Octavian in 27 BC that marked the beginning of the Roman Empire, where emperors ruled rather than the previous republican system
2
Octavian
The triumvir who rose to power and established the Principate regime in 27 BC, becoming the first Roman Emperor
3
27 BC
The year when Octavian established the Principate regime and officially began the Roman Empire
4
Roman Republic
The period of Roman government that preceded the Empire and conquered most of the territories that would later be ruled by emperors
5
Mediterranean control
One of the primary regions controlled by the Roman Empire during the classical period
6
Western Roman Empire
The western half of the Roman Empire after the 4th century split, which collapsed in 476 AD
7
Eastern Roman Empire
The eastern half of the Roman Empire after the 4th century split, also known as the Byzantine Empire, which endured until 1453
8
476 AD
The year when the Western Roman Empire collapsed and fell from power
9
Fall of Constantinople
The event in 1453 that marked the end of the Eastern Roman Empire
10
Classical period
The historical era during which the Roman Empire controlled the Mediterranean and much of Europe, Western Asia, and North Africa
11
Triumvir
A member of a ruling group of three, a title held by Octavian before he became sole emperor
12
4th century AD split
The division of the Roman Empire into eastern and western halves that occurred during the 4th century AD