Everyone has a version and only the Holy Ghost can edify which is which I gave one in the post but here are a few more they all differ.
Council of Nicea: How To Know Who’s Telling You the Truth
http://www.youtube.com/watch?v=L1pvmZqIBMQ#t=15
The Truth about the Council of Nicaea
http://www.youtube.com/watch?v=WSKBGdv07nQ
Hint: it wasn't Joseph Smith.