Agrippina the Younger Agrippina was seated on a dais at a parade of captives when their leader the Celtic King Caratacus bowed before her with the same homage and gratitude as he accorded the emperor. In 50, Agrippina was granted the honorific title of Augusta. She was only the third Roman woman (Livia Drusilla and Antonia Minor received this title) and only the second living Roman woman (the first being Antonia) to receive this title. Also that year, Claudius had founded a Roman colony and called the colony "Colonia Claudia Ara Agrippinensis" or "Agrippinensium", today known as Cologne, after Agrippina who was born
Agrippina the Younger cousin, Drusilla's widower Marcus Aemilius Lepidus, were involved in a failed plot to murder Caligula, a plot known as the "Plot of the Three Daggers", which was to make Lepidus the new emperor. Lepidus, Agrippina and Livilla were accused of being lovers. Not much is known concerning this plot and the reasons behind it. At the trial of Lepidus, Caligula felt no compunction about denouncing them as adulteresses, producing handwritten letters discussing how they were going to kill him. Lepidus was executed. Agrippina and Livilla were exiled by their brother to the Pontine Islands. Caligula sold their furniture, jewellery, slaves