The National Era was an abolitionist newspaper published weekly in Washington, D.C., from 1847 to 1860.[1] Each number contained four pages of seven columns each.[2] The National Era was noted for its large size and unique type.[further explanation needed] It featured the works of John Greenleaf Whittier, who served as associate editor,[2] and the first publication, as a serial, of Harriet Beecher Stowe's Uncle Tom's Cabin (1851).