Yes, you read it right!
So kill of WRE before 476/480 and/or
ERE/Byz before 1453?
Shoot, this isn't that hard; the wonder is that the Roman Empire lasted as long as it did.
Easy thought... what if Antonius had won the civil war with Octavius? Antonius didn't have the political sense that Octavius did and it is possible that without the central government under the Emperors that the Empire might have broken apart in the 1st or 2nd century.
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Bill
True.
And after Augustus the Pods are really, really many.
Almost every emperor has the chance to goof. But I think you could easily find a POD before Caesar to get rid of even the last days of the republic.