Manchester United suffered one of the most painful defeats of their illustrious history on Sunday afternoon, as a rampant Manchester City put four past the Premier League champions in the eagerly-awaited encounter.
A brace from Sergio Aguero and goals from Yaya Toure and Samir Nasri ensured David Moyes' first derby since succeeding Sir Alex Ferguson ended in somewhat embarrassing circumstances.
It was a humiliation for the Manchester United manager and his Old Trafford charges and, so few are drubbings of that scale for a club of their stature, such instances tend to stick in the memory far longer than most.
A thrashing for Manchester United is regarded as a collector's item somewhat, and there have been a handful of noteworthy defeats of a similar extent to the one inflicted by Manchester City at the weekend.
Here are five...