Documents whose date range includes April 1870April 1, 1870April 5, 1870April 6, 1870April 7, 1870April 9, 1870April 12, 1870April 13, 1870April 14, 1870April 19, 1870April 20, 1870April 21, 1870April 23, 1870April 24, 1870April 25, 1870April 26, 1870April 27, 1870April 28, 1870