"History of the Decline and Fall of the Roman Empire — Volume 6" by Edward Gibbon is a historical work published in 1788. This final volume completes Gibbon's monumental chronicle spanning from 98 to 1590, examining the peak of Roman power, Christianity's emergence as state religion, the Western Empire's collapse, and Byzantium's fall. Gibbon attributes Rome's decline to lost civic virtue and barbarian invasions, controversially emphasizing Christianity's role. Written with detached yet critical prose, this Enlightenment masterwork sparked debate about religion's impact on imperial decline that continues among scholars today.