Is the stuff about the toilet seat and the attached myth about "pope Joan" correct?
http://www.reddit.com/r/TrueReddit/comments/2uwq5f/for_at_least_400_years_the_investiture_ceremony/
The Pope Joan story is an interesting one, and unfortunately completely false. /u/domini_canes has a great answer in this thread:
http://www.reddit.com/r/AskHistorians/comments/2ramiw/how_much_is_true_about_the_female_pope_joan/