Moroni Olsen was the only principal cast member who was a Mormon. Dean Jagger was not a member of that church when he portrayed its leader, but he did join some 32 years later.
According to the August 23rd, 1940 edition of The Post-Register, the second city to premiere this film, after the Salt Lake City premiere, was Idaho Falls. It opened at the Paramount Theatre (now the Colonial Theater) on Thursday, August 29th, 1940.
The burial marker was dated June 3, 1845 for Eliza Kent. Talk the next day was about the gold discovery in California. Some Mormon men working for mill operator James Marshall had been in a group landing on the west coast. The day reported for the discovery was January 24, 1848.
Eliza Kent's tomb "wheel" shows she died in 1843 on the trek west. But Joseph Smith did not die until 1844 and the saints did not leave Nauvoo until 1846.
Brigham Young: Indians can't be any worse than some Christians I know. But just the same, until we find a little more about them, we mean to trust in you, Lord, and keep our powder dry.
Brigham Young: The law? What law? The law that let's a pack of scoundrels come in here and hunt us down like wild animals, burn our homes, ruin our crops, arrest our leader on trumped-up charges and then look the other way when a mob breaks in and murders him? If they call that law, let 'em keep it. We don't want any more of it!