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
Matthias, Holy Roman Emperor Matthias, Holy Roman Emperor Matthias (24 February 1557 – 20 March 1619) was Holy Roman Emperor from 1612, King of Hungary and Croatia from 1608 (as Matthias II) and King of Bohemia from 1611. He was a member of the House of Habsburg. Matthias was born in the Austrian capital of Vienna to Maximilian II, Holy Roman Emperor and Maria of Spain. Matthias married Archduchess Anna of Austria, daughter of his uncle Archduke Ferdinand II of Austria, whose successor in Further Austria Matthias became in 1595. Their marriage did not produce surviving children. In 1578, Matthias was invited to the