First of all, the Ottoman Empire lasted from, at least, 1453 until the First World War.
The Roman Empire lasted from the Triumph of Octavian over Antony in (I think) 32 BC until 476 AD --- even longer, until 1453, if we count the Eastern Roman Empire.
As for the United States, there have been three USA's, and a fourth looks very near.
By some strange fatality, each American Empire has lasted very close to 80 years.
The first began in 1781, when the French, assisted by the Terrorist Insurrectionists, destroyed good government in the Thirteen Colonies. That chaotic, land-grabbing slavocracy lasted until the War of Northern Aggression.
Then an America of lawless profiteers gobbled up the wealth of the nation and ground down the mass of the population, ending in the Great Depression and World War II.
The past 80 years have produced a sinister and unprincipled Military Regime controlled by corrupt and unaccountable "security" apparatus.
Emperor Trump (a combination of Crassus, Caesar and Nero, if we look back to Rome), clearly signals that a fourth America is about to appear, right on time.
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