Dan talks about his favorite pagan holiday.
Sources
Good essay on Saturnalia (site no longer appears to be active, but I exported it as a PDF while it was. That’s available to anyone interested)
http://penelope.uchicago.edu/~grout/encyclopaedia_romana/calendar/saturnalia.html
A few good writeups
https://www.thoughtco.com/celebrate-the-saturnalia-festival-120955
Wiki
https://www.wikiwand.com/en/Saturnalia
A Christian Rebuke Against Pagan Christmas
http://apologetics-notes.comereason.org/2015/12/no-christmas-is-not-based-on-pagan.html?m=1
Life Of Caligula (Suetonius)
https://facultystaff.richmond.edu/~wstevens/history331texts/caligula.html