His defection from the Epicurean school is almost unique.
A renewed defection, inspired apparently by aversion to the aristocratic government of the Walls Of Mantineia.
Prodigies of valour on the part of Bayezid's troops could not make up for the defection of the newly-absorbed levies from Aidin, Sarukhan and Menteshe who went over to their former princes in Timur's camp. The rout of the Turkish army was complete.
Poland, after a defection of years, was ultimately recovered for the papacy by the zeal and devotion of the Jesuit missionaries.
When the emperor's downfall appeared imminent, Tigellinus deserted him, and with Nymphidius Sabinus brought about the defection of the praetorians.