Margaret continues talking with Io about the Iceni revolt of 61 AD that almost drove Rome out of Britain.

Sources:

https://www.jstor.org/stable/4434717

https://ul.qucosa.de/api/qucosa%3A31804/attachment/ATT-0/

https://web.archive.org/web/20120612044230/http://www.britarch.ac.uk/ba/ba83/feat3.shtml

https://penelope.uchicago.edu/Thayer/E/Roman/Texts/Cassius_Dio/62*.html#2

https://www.perseus.tufts.edu/hopper/text?doc=Perseus%3Atext%3A1999.02.0078%3Abook%3D14%3Achapter%3D32

https://historyandarchaeologyonline.com/the-evidence-for-the-historical-boudica%ef%bf%bc%ef%bf%bc/

https://vridar.org/2018/05/07/doing-history-how-do-we-know-queen-boadicea-boudicca-existed/

https://www.jstor.org/stable/25471937

http://simoneparrish.com/2016/07/how-i-woad-using-woad-for-body-painting/