It has been estimated that some 30% of all Roman Emperors were fallen via this trope.
The Vlasov's Army. During World War II, a whole army corps of Soviet conscript prisoners of war, led by Major General Andrei Vlasov, turned their weapons against their own and fought on side of the Germans. Needless to say, Josef Stalin wasn't amused.
An act of this caused the Montgomery Bus Boycott; Rosa Parks recognized her driver on December 1, 1955, as the same one who had committed highway robbery against her 12 years before, and she refused to budge from her seat when told to.
During The American Civil War, President of the Confederate States of America Jefferson Davis had house slaves. Did the man waging war to perpetuate black enslavement think that maybe, just maybe, his slaves might not be the best people to discuss his war plans in front of? Of course he didn't. His coach-slave, William A. Jackson, eventually fled Northwards with a good chunk of his secret war plans.
This often happens when cases of bullying has gone for too long, even if it's done in cyberspace.
Much less heard of, but this also happens between an abusive parent and the child they abused when said child finally becomes big enough to fight back or defend him/herself.
The Nazi German ambassador to London, Joachim von Ribbentrop, had an extremely rude habit of hiring the best London tailors, painters, and decorators, making them wait for hours, then not seeing them with instructions to return the next day (thus costing them time and money). They - collectively - retaliated by telling all their other high-up and influential clients that he was impossible to deal with and a bully, which greatly damaged his reputation in British high society and contributed to his drastic failure as Ambassador to Britain.
Nicolae Ceaușescu's last throw of the dice in his attempt to stay in crumbling "socialist Romania" was to stage a "popular demonstration" in Bukarest, as had worked for him many times before: the workers of Bukarest were threatened with firing if they didn't show up and put on a good show of cheering their beloved leader and his government. Ceaucescu managed around two and a half minutes before workers from a power plant began shouting anti-Ceaușescu slogans. The blackmailed crowd erupted, shots were fired, and Ceaușescu's shocked, stunned face, and his bleating into the microphone for quiet as his people ignored him were broadcast all over Romania and the world.
Fairly laidback Honey bees have been common prey for the much bigger, stronger, and nastier hornets for ages, with hornets often slaughtering honeybee hives to steal the bees larva. This video showcases how Japanese honeybees have recently evolved to bite back big time. Namely by Zerg Rushing any hornets unlucky enough to come near their hive and vibrating so much it generates a mass of heat that it roasts the hornet alive from the inside out.