https://www.ladbible.com/entertainment/weird-film-and-tv-the-purge-is-based-on-historical-events-that-are-pretty-horrific-20170913
https://www.looper.com/31373/untold-truth-purge/
https://www.thesun.co.uk/tvandshowbiz/4463774/chilling-real-life-events-the-purge/
https://www.historytoday.com/archive/did-romans-invent-christmas
https://www.history.com/topics/ancient-rome/saturnalia
https://www.forbes.com/sites/jeffewing/2018/06/26/4-real-world-economic-consequences-of-the-purge-or-its-terrible-for-the-economy-too/#2a13026a28c0
https://books.google.ca/books?id=xxCwTYubvDkC&pg=PT75&lpg=PT75&dq=signillaria+sacrifice&source=bl&ots=zJKVxQ2CdU&sig=ACfU3U1mtgQUKOQJO9Gx5drYCiAkZV91Ow&hl=en&sa=X&ved=2ahUKEwjhnZCjgpHqAhWqTd8KHbriD7sQ6AEwCXoECBIQAQ#v=onepage&q=signillaria%20sacrifice&f=false
https://www.metmuseum.org/toah/hd/gtal/hd_gtal.htm
https://encyclopedia2.thefreedictionary.com/Saturnalicius
https://www.britannica.com/topic/Cronus
https://www.ancient.eu/article/1032/festivals-in-ancient-egypt/
http://www.hellenion.org/festivals/kronia/