In a talk presented by the Baton Rouge Genealogical and Historical Society, Yvonne Lewis Day focuses on the dangers of steamboat travel on the lower Mississippi, with a close-up account of the deadly explosion of the 450-passenger steamer, The Princess, at Baton Rouge in 1859. The talk will include drawings, witness accounts, and fatality lists. 10 am at the Bluebonnet Library, 9200 Bluebonnet Boulevard. Free. (225) 924-8921 or batonrougegenealogy.org.