OK, I’ll give you the benefit of the doubt too.
Prayers for the dead were introduced in 310
Does the Catholic church practice this?
When and where does this come from?
Is it scriptural? Verse(s)?
The lighting of candles in 320
Does the Catholic church practice this?
When and where does this come from?
Is it scriptural? Verse(s)?
The worship of saints about 375
Does the Catholic church practice this?
When and where does this come from?
Is it scriptural? Verse(s)?
The mass was adopted in 394
Does the Catholic church practice this?
When and where does this come from?
Is it scriptural? Verse(s)?
The worship of Mary began to develop about 432
Does the Catholic church practice this?
When and where does this come from?
Is it scriptural? Verse(s)?
Priests began to assume distinctive robes in 500
Does the Catholic church practice this?
When and where does this come from?
Is it scriptural? Verse(s)?
The doctrine of purgatory was introduced in 593
Does the Catholic church believe this?
When and where does this come from?
Is it scriptural? Verse(s)?
Worship in Latin (since repealed) was mandated in 600
Did the Catholic church practice this?
When and where did this come from?
Was it scriptural? Verse(s)?
Claims to Papal Supremacy took firm foot in 606
Does the Catholic church believe this?
When and where does this come from?
Is it scriptural? Verse(s)?
Feasts in honor of the Virgin Mary began in 650
Does the Catholic church practice this?
When and where does this come from?
Is it scriptural? Verse(s)?
The custom of kissing the Pope’s foot was introduced in 709
Does the Catholic church practice this?
When and where does this come from?
Is it scriptural? Verse(s)?
The worship of images and relics was authorized in 788
Does the Catholic church practice this?
When and where does this come from?
Is it scriptural? Verse(s)?
The invention of holy water was about 850
Does the Catholic church practice this?
When and where does this come from?
Is it scriptural? Verse(s)?
The canonization of saints was formalized in 993
Does the Catholic church practice this?
When and where does this come from?
Is it scriptural? Verse(s)?
Feasts for the dead were introduced 1003
Does the Catholic church practice this?
When and where does this come from?
Is it scriptural? Verse(s)?
‘The celibacy of the priesthood was declared 1074
Does the Catholic church practice this?
When and where does this come from?
Is it scriptural? Verse(s)?
The dogma of Papal infallibility was announced 1076
Does the Catholic church practice this?
When and where does this come from?
Is it scriptural? Verse(s)?
Prayer beads were introduced in 1090
Does the Catholic church practice this?
When and where does this come from?
Is it scriptural? Verse(s)?
The doctrine that there are seven sacraments was introduced in 1140
Does the Catholic church believe this?
When and where does this come from?
Is it scriptural? Verse(s)?
The sale of indulgences began 1190
Did/does the Catholic church practice this?
When and where does this come from?
Is it scriptural? Verse(s)?
The wafer was substituted for the loaf in 1200
Did the Catholic church make this change?
When and where does this come from?
Is it scriptural? Verse(s)?
The dogma of transubstantiation was adopted 1215
Does the Catholic church believe this?
When and where does this come from?
Is it scriptural? Verse(s)?
Confession was instituted 1215
Does the Catholic church practice this?
When and where does this come from?
Is it scriptural? Verse(s)?
BTW, I read through part of your list of refutations, and the first ten “refutations” have mostly to do with a disagreement over dates when the practices began, which is irrelevant to me.
Basically, answering the question “is it biblical” should be sufficient as to whether it SHOULD be practiced by the faithful.
And thanks for introducing me to the word “calumnious.” I had to look it up.