Brigham Young writes, "I buried my wife, Mary H. Pierce, aged twenty-five years. . . . She died of consumption." Young, however, still has 24 wives remaining at this time including Margaret Pierce, the sister of Mary H. Pierce. Three days later he again marries two sisters, Lucy and Mary Jane Bigelow.
[source: On This Day in Mormon History, http://onthisdayinmormonhistory.blogspot.com]