TabsRecord DataPlace Unit Type: City or TownContaining Unit: Mercer County, PA Events Life span Type 01/11/1866 Harriet Lane, former President Buchanan's "First Lady," marries Baltimore banker Henry Elliot Johnson Personal 06/01/1868 James Buchanan dies in Lancaster, Pennsylvania Personal Major Topics People Places Documents Subject Date Title 03/11/1861 James Buchanan to James Gordon Bennett, March 11, 1861 05/01/1865 James Buchanan to Horatio King, May 1, 1865 Bibliography