Roman Empire vs Ottoman Empire

The Roman Empire (27 BCE–476 CE in the West) was a Mediterranean-centered military superpower that dominated through legions and engineering, while the Ottoman Empire (1299–1922 CE) was a multi-continental Islamic state that ruled through administrative sophistication and naval power. The Roman Empire lasted approximately 503 years in the West, whereas the Ottoman Empire endured for 623 years, making it one of history's longest-lasting empires.