Congressional ActsActs of Congress related to Taxing Act of Aug. 5, 1861, ch. 45, 12 Stat. 292 Act of Jan. 9, 1815, ch. 21, 3 Stat. 164. 16th Amendment to the U.S. Constitution: Federal Income Tax (1913) What is Next? Learn more about Tax HistoryLearn more about Tax FactsTax SourcesPreviousTax IndexNextTax History