Council of Trent admitted they teach the commandments of men

But in vain they do worship me, teaching for doctrines the commandments of men. Matthew 15:9

The Catechism of the Council of Trent:

"The Church of God has thought it well to transfer the celebration and observance of the Sabbath to Sunday." 

Catechism of the Council of Trent. p. 402, second revised edition (English), 1937. (First published in 1566)