2023-05-14T2228H UTC+8: Who Invented The Trinity?
Here is an article comprising of 2 parts discussing how the doctrine of Trinity in Christianity rose up and became the de facto doctrine of the religion.
https://www.islamreligion.com/articles/600/viewall/who-invented-trinity/
https://www.islamreligion.com/articles/601/who-invented-trinity-part-2/