A Chronological History of the Civil War in America, Civil War Day-by-Day Civil War Day-to-Day April 1, 1861 – U. S. Tariff Act went into operation.1 A Chronological History of the Civil War in America by Richard Swainson Fisher, New York, Johnson and Ward, 1863 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • Posted April 1, 2021