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
Vipsania Agrippina Vipsania Agrippina Vipsania Agrippina (; 36 BC – 20 AD) was the first wife of the Emperor Tiberius. She was the daughter of Marcus Vipsanius Agrippa and Pomponia Caecilia Attica, granddaughter of Titus Pomponius Atticus. By marriage, she was a great-niece to Quintus Tullius Cicero. She was betrothed by Augustus and her father to Tiberius, the stepson of Augustus, before her first birthday. They were married around 19 BC. Their son Drusus Julius Caesar was born in 14 BC. Her father died in March 12 BC while married to his third wife Julia the Elder, the daughter of Augustus. Augustus