[>> “Actually, one of the earliest controversy in the church was whether to commemorate it on Passover or on the Sunday following” <<
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NO! -]
Yes. It’s called Quartodecimanism, and what you are claiming is provably false, I don’t CARE what your church told you.
Easter has been commemorated since AT LEAST the early 2nd Century, and probably earlier.
So you say no to your own words that you quote, and then you present a statement that something that you didn’t quote is provably false but don’t supply the proof?