There's the "other" 9/11 as well, the Mountain Meadows massacre on 9/11/1857 where Mormons massacred ~120 men, women, and children.
I had some Mormon missionaries ambush me in my own backyard while I was taking my dog out to drop a deuce. I shit you not, they tried telling me the Book of Mormon is "exactly like the Bible." I asked if that was an insult to my Holy Book or whether they have no idea what they're talking about. Turns out…no idea what they're talking about. Really pissed em off, they're not coming back.