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Division of the Roman Empire — Reading Comprehension

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This engaging history reading passage explores the momentous division of the Roman Empire into Eastern and Western halves, examining its causes, major events, and lasting consequences. Students will learn about Emperor Diocletian's reforms, the founding of Constantinople, and the rise of the Byzantine Empire, while considering the geographic, political, and social factors involved. The passage provides key vocabulary, a glossary, and a timeline to support comprehension. Multiple-choice and writing activities encourage deep analysis of cause-and-effect relationships and historical significance. Aligned with standards 6.7 and RH.6-8.2, this resource also includes a Spanish translation and read aloud audio, making it accessible for diverse learners. Ideal for developing critical thinking and historical literacy skills.

CONTENT PREVIEW

The Roman Empire after its division into the Eastern and the Western Empires (An Atlas of Ancient Geography, Biblical & Classical, by Smith-Grove, 1874) — "The Roman Empire after its division into the Eastern and the Western Empires" by William Smith / George Grove / Wikimedia Commons

The Roman Empire was one of the largest and most powerful civilizations in ancient history. By the third century CE, it controlled vast lands across Europe, North Africa, and the Middle East. However, the empire faced serious challenges, including economic troubles, military invasions, and internal conflict. To address these problems, the empire was eventually divided into two parts: the Eastern and Western Roman Empires.

One major reason for the division was the sheer size of the empire. Managing such a vast territory became difficult, especially when communication and transportation were slow. In 285 CE, Emperor Diocletian decided to split the empire in half. He hoped this would make governing easier and help defend against outside threats. Diocletian ruled the eastern part from the city of Nicomedia, while his co-emperor, Maximian, ruled the west from Milan. This system was called the Tetrarchy, meaning "rule by four," because each half later had a junior emperor as well. Archaeological evidence, such as coins issued in both halves, shows how authority was shared and communicated across the empire.

After Diocletian retired, the empire was briefly reunited, but new problems soon arose. In 330 CE, Emperor Constantine established a new capital at Constantinople (modern-day Istanbul). Its strategic location on the Bosporus Strait allowed for control of trade routes between Europe and Asia. The city’s formidable walls, described by the historian Procopius, helped protect it from invaders. The Western Empire, meanwhile, faced frequent attacks by groups like the Visigoths and Vandals. In 410 CE, the Visigoths famously sacked Rome, shocking the ancient world. By 476 CE, the last Western Roman emperor, Romulus Augustulus, was deposed, marking the traditional end of the Western Roman Empire.

Despite the fall of the West, the Eastern Roman Empire—later called the Byzantine Empire—continued for nearly a thousand years. It preserved Roman laws, culture, and Christianity, and developed its own rich traditions. The social hierarchy in Byzantium included emperors, nobles, and commoners, with daily life centered around the capital, Constantinople. The empire’s administrative records and religious mosaics still survive today, providing primary sources for historians. Over time, the division between East and West shaped the religious and political map of Europe and the Mediterranean.

The division of the Roman Empire was a turning point in history. It allowed the East to survive and thrive, while the West declined and eventually fell. This separation influenced the rise of new kingdoms in Western Europe and the spread of Christianity in both regions. Understanding the reasons for and effects of the division helps explain the foundations of modern Europe and the development of different Christian traditions.

This moment connects to broader themes in history, such as how geography, leadership, and cultural change affect civilizations over time.

Interesting Fact: The city of Constantinople’s famous Hagia Sophia was originally built as a cathedral under Emperor Justinian in the 6th century and still stands today.

Who divided the Roman Empire?

DiocletianConstantineRomulusJustinian

Where was the new Eastern capital?

RomeConstantinopleMilanCarthage

What year did the Western Empire end?

285 CE330 CE410 CE476 CE

What problem made ruling the empire hard?

Too smallToo bigNo leadersToo rich

Why was Constantinople well protected?

Near Nile RiverStrong wallsDesert locationNo enemies

How did the division affect Christianity?

It disappearedIt spread in East and WestIt only stayed in RomeIt became illegal