Orrin Porter Rockwell shoots Robert F. Smith and Frank Worrell of the Carthage Greys militia who participated in the murder of Joseph Smith. Worrell dies. Later that day Rockwell kills four anti-Mormons at Highland Branch, near Warsaw, Illinois. A committee of five is appointed to carry a letter from Brigham Young to vigilante leader Col. Levi Williams "stating to him that if the mob would cease their destructive operations, it is our calculations to leave the country in the spring . . ."
[On This Day in Mormon History, http://onthisdayinmormonhistory.blogspot.com]