Pope Gregory I (540-604 CE), a famous Christian leader encouraged accomodating pagan customs and beliefs. So if pagans worshipped a Tree or Spirit abiding in it, rather than shun the pagan worship, he urged priests to somehow link the worship to Jesus Christ, and allow them to continue their Tree or pagan idol worship.
December 25th was the most important of Sun Festivals, the new
birth of the God, rising three days after 'dying' at the winter
solstice. Today, the celebration continues and its many features
can be witnessed. A few of these include:
* Excessive eating, drinking and merry was commin in Saturnalia
festival
* Father Christmas (Red Man) - who was originally Apollo, the
Sun-God or Thor God depicted as an elderly man, jovial or
friendly, of heavy build with a long white beard who drove a
chariot through the sky
* Fireplace - the fireplace in pagan homes was sacred to Thor
God which he would descend though the chimney
* Giving of gifts - a feature of Saturnalia festival
* Christmas card bearing the cheeky robin bird (with its chest
bearing the flame symbol)
* Snowman - who melts when the Sun comes out (is defeated by
the Sun)
* Fir-tree trinkets and decorations, symbolising life in the
'dead' parts of the world
* Holly - to deflect evil goblins in winter solstice
* Ivy - the female version of the 'male' holly
* Mistletoe - used by pagan druids in their worship
* Yule Log - sacred to the Thor God which is symbolised today as a chocolate cake
Ancient triadic deities in the Roman Empire were depicted in art and monuments as a single, unified figure featuring three distinct faces or heads to illustrate their triune nature.
Yes, the core teachings of modern Trinitarian Christian churches do not come from Jesus, but were pagan three-in-one concepts that existed long before his arrival and were later adopted by Christians to make their doctrine highly appealing to idol-worshipping masses.
It is probable the reason why the Church priests burned and destroyed the earlier records of pagan Gods was to hide the evidence for the real origins of their own Christian mythology.