27 BC - 476/1453 AD, foundation of Western civilization
Understanding Western civilization roots
1299-1922, Islamic superpower bridging East and West
Understanding East-West relations
The Roman Empire lasted over 1,000 years (27 BC - 476/1453 AD) and laid the foundations of Western civilization. The Ottoman Empire lasted 623 years (1299-1922) and controlled much of Southeast Europe, Western Asia, and North Africa.
The Roman Empire had a greater lasting impact on Western civilization. The Ottoman Empire was one of the longest-lasting and most powerful Islamic empires.
Choose Roman Empire if
Understanding Western civilization roots
Choose Ottoman Empire if
Understanding East-West relations
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| Metric | Roman Empire | Ottoman Empire | Diff |
|---|---|---|---|
| Duration(years) | ~1,000+ | 623 | +61% |
| Peak Territory | 5 Million | 5.2 Million | -4% |
All figures sourced from publicly available data. Last updated May 2026.
Roman Empire
~1,000+ years
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Ottoman Empire
623 years
Roman Empire
5M km²
Ottoman Empire
5.2M km²
Roman Empire
Western civilization
Ottoman Empire
Eastern Mediterranean
The Roman Empire, counting both Western and Eastern (Byzantine), lasted over 1,000 years. The Ottoman Empire lasted 623 years.
Dive deeper with these curated resources
| Attribute | ||
|---|---|---|
| Duration(years) | ~1,000+ | 623 |
| Peak Territory | 5 Million | 5.2 Million |
Side-by-side comparison of numeric attributes