152 members of the Mormon Battalion (discharged early due to illness) arrive in Salt Lake Valley accompanied by wives, children and 47 Mississippi Mormons. This swells the population to over 400. William Clayton notes: "The soldiers appearing in military order, many of them mounted. They have 29 wagons in the company and one carriage."
[Source: On This Day in Mormon History, http://onthisdayinmormonhistory.blogspot.com]