How ancient trinitarian gods influenced the adoption of a trinity
https://www.ucg.org/bible-study-tools/booklets/is-god-a-trinity/how-ancient-trinitarian-gods-influenced-adoption-of-the-trinity
Pagan origins of Christmas
https://www.google.com/amp/s/www.history.com/.amp/topics/christmas/history-of-christmas
Pagan roots of the Trinity
https://www.biblicalunitarian.com/articles/pagan-roots-of-the-trinity-doctrine-ed-torrence-2002