We learned that Penance (capitalized) was something done after Confession (also capitalized) in order to make God forgive us for our confessed sins.
Also, we weren't taught about Purgatory. We were taught that the good went to Heaven and the bad were sent to Hell. No second chances or rules being bent: The choice was as black and white as could be.
Never heard of it.
Never heard of it.
Never heard of it.
Got any more?
No, seriously. PLEASE give me more. I'd love to learn more things I was lied to about or purposely not informed of simply because they weren't as important as "Jesus loves you but He'll throw you into the pits of fire and damnation if you don't do what He says.".
I know that Christmas was originally a pagan festival where the solstice was recognized and trees were brought inside (like Christmas trees). The question was rhetorical. There are millions and millions of Christians in the world, and I'm willing to bet that a large chunk of them don't know Christmas as anything more than the Nativity Scene. Hell, I didn't even know it until a few years ago.