Rome didn’t fall in 476 when Romulus, the last of the Roman emperors in the west, was overthrown by the Germanic leader Odoacer, who became the first Barbarian to rule in Rome.
Nor did it fall in 1453 when the Ottoman Empire conquered Constantinople.
Depending on how you define ‘Rome,’ it didn’t fall until the Napoleonic Wars. Or the end of hostilities following World War I. If you visit Turkey, you might meet somebody who still calls himself a Roman. Listen to this episode to learn more.