Historians dispute the founding of Arlington. Some say Arlington started in 1848 when Col. Middleton Tate Johnson started the settlement called Johnson's Station, a forerunner of Arlington. Others say it was 1876, when the railroad arrived, or 1877, when the post office was established. Still others claim 1884 as the founding, because that was when city leaders incorporated Arlington, naming the town after the home of Gen. Robert E. Lee. Whatever...