[sasportas]

Its no the RCC, it is Christianity that is the foundation of western culture.

[Mrs. Don-o]

Yes, you are quite right. But for the first 1000 years, Catholicism and Christianity were coterminous, from Iraq to Portugal and from Iceland to Alexandria and beyond.

And after the break between East and West (circa 1054 AD) Catholicism remained the name of Christianity in the West for nearly another 500 years.

So Catholic Christianity was the foundation of Western culture.