Please clarify your question. The word "who" refers to a person, the word "empire" is a thing. Are you asking about an emperor or the size of the empire?
The roman empire extended for about 4500 miles from west to east.
The emperor Caracalla extended Roman citizenship to all the freeborn in the empire in 212 AD.
All freeborn people in the city of Rome and the Romans who moved to Roman colonies (settlements) which were founded around the Roman Empire were Roman citizens. In 89 BC Roman citizenship was extended to all the Italic peoples who lived in central and southern Italy. In the 40s BC Julius Caesar extended it to the peoples who lived in northern Italy. In 215 AD the emperor Caracalla extended Roman citizenship to all the freeborn in the whole of the Roman Empire.
The Romans were proud about their conquests and viewed their empire as their world. All freemen in the empire became Roman citizens when the emperor Caracalla extended this citizenship to them.
The Romans lived during a period that began with the founding of Rome in 753 BCE and extended until the fall of the Western Roman Empire in 476 CE. This extensive timeline includes the Roman Kingdom, the Roman Republic, and the Roman Empire, which experienced significant expansion and cultural development. The Eastern Roman Empire, also known as the Byzantine Empire, continued to exist until 1453 CE.
Trajan, who crossed the Danube added Dacia (Romania) to the Roman Empire, and he expanded into the East, although the Eastern provinces were abandoned by his successor Hadrian. Earlier, the Emperor Claudius added Britain to the Roman Empire.
The roman empire extended for about 4500 miles from west to east.
If you are referring to the Roman Empire (you did not specify), it was Roman citizenship which was extended to the inhabitants of the empire outside Italy.
The Roman Empire had extended its control over Western Europe
There are many leaders who expanded the roman empire.... One being Caesar another Being Constantine.
The emperor Caracalla extended Roman citizenship to all the freeborn in the empire in 212 AD.
From 212 AD on all the peoples throughout the Roman Empire shared Roman citizenship because in that year the emperor Caracalla extended Roman citizenship to all the free men in the empire.
The Roman empire was made up of provinces and territories ruled from the city of Rome under uniform Roman law. The empire extended roughly from the Atlantic Ocean to the Black Sea and from Scotland to North Africa.
The period of disorder after the decline of the Roman Empire led to an extended period of disunity during the Middle Ages that was characterized by feudalism.
All freeborn people in the city of Rome and the Romans who moved to Roman colonies (settlements) which were founded around the Roman Empire were Roman citizens. In 89 BC Roman citizenship was extended to all the Italic peoples who lived in central and southern Italy. In the 40s BC Julius Caesar extended it to the peoples who lived in northern Italy. In 215 AD the emperor Caracalla extended Roman citizenship to all the freeborn in the whole of the Roman Empire.
One thing that remained through the Middle Ages, all over the areas where the Roman Empire had been, was the Church.
The Romans were proud about their conquests and viewed their empire as their world. All freemen in the empire became Roman citizens when the emperor Caracalla extended this citizenship to them.