I also wanted to include a link to this article on Boudicca, because she is one of the main characters in Pauline Gedge's excellent novel The Eagle and the Raven, which I finally finished reading yesterday.
British queen of the Iceni (of Norfolk), properly called Boudicca. Her husband, King Prasutagus, died in AD 59 or 60, leaving half his property to the Roman emperor and half to his daughters. The Romans, however, seized the kingdom and began to despoil it, thus provoking the Iceni to revolt. Boadicea led them in sacking Colchester, London, and Verulamium (St. Albans). Her army was eventually crushed by the Roman governor Caius Suetonius Paulinus, and Boadicea took poison.