https://jasonssullivan.com/2026/04/21/arlington-pioneer-james-d-cooper-1841-1917/Jason S. Sullivanen2026-04-21T16:00:00+00:00Arlington Pioneer James D. Cooper (1841–1917)Arlington, Local Unknownhttps://jasonssullivan.com/2026/04/21/april-21-1884-when-the-village-became-a-town/Jason S. Sullivanen2026-04-21T14:00:00+00:00April 21, 1884—When the Village Became a TownArlington, Local Unknown