Agrippina the Younger outraged by Claudius' adoption of Nero and his choice of Nero as successor, instead of choosing his own son Britannicus. Nero and Octavia were married on June 9, 53. Claudius later repented of marrying Agrippina and adopting Nero, began to favor Britannicus, and started preparing him for the throne. His actions allegedly gave Agrippina a motive to eliminate Claudius. The ancient sources say she poisoned Claudius on October 13, 54 with a plate of deadly mushrooms at a banquet, thus enabling Nero to quickly take the throne as emperor. Accounts vary wildly with regard to this private incident and according
Agrippina Vaganova her as teacher. Shortly after her death, on 1 November 1957, the Choreographic College on Rossi Street was renamed in her honor; in 1961, it received the title of "academic" and in 1991 it began to use the name Agrippina Vaganova Academy of Russian Ballet. Agrippina Vaganova Agrippina Yakovlevna Vaganova (; 26 June 1879 – 5 November 1951) was a Russian ballet teacher who developed the Vaganova method – the technique which derived from the teaching methods of the old "Imperial Ballet School" (today the "Vaganova Academy of Russian Ballet") under the "Premier Maître de Ballet" Marius Petipa throughout the