1909 Event 16th Amendment approved, power to tax incomes 1862 Event Internal Revenue Law imposes 1st federal taxes on inheritance, tobacco and on incomes over $600 (progressive rate) 1862 Event 1st U.S. income tax (3% of incomes > $600, 5% of incomes > $10,000) 1861 Event U.S. levies its 1st Income Tax (3% of incomes over $800)
