Documents whose date range includes September 1800 September 1, 1800 September 2, 1800 September 4, 1800 September 5, 1800 September 8, 1800 September 9, 1800 September 10, 1800 September 11, 1800 September 13, 1800 September 14, 1800 September 15, 1800 September 17, 1800 September 18, 1800 September 20, 1800 September 22, 1800 September 23, 1800 September 24, 1800 September 25, 1800 September 26, 1800 September 27, 1800 September 29, 1800