By 54 AD Agrippina's influence over her son severed and she reportedly turned to a younger candidate for the throne. Nearly fifteen-year-old Britannicus was still legally a minor, but was approaching legal adulthood. According to Tacitus, Agrippina hoped that with her support, Britannicus, being the blood son of Claudius, would be seen as the true heir to the throne by the state over Nero. However, the youth died suddenly and suspiciously on February 12, 55, the very day before his proclamation as an adult had been set. Nero claimed that Britannicus died from an epileptic seizure, but ancient historians all claim Britannicus' death came from Nero's poisoning him. Agrippina had threatened Nero to take Britannicus inside the Praetorian Guard Fortress and have him elected Emperor while admiting that she murdered Claudius...
WI Agrippina's plan was succesfull and Praetorians ousted Nero and elected Britannicus as Emperor? How is that altering History? Any thoughts?