The first attempt to impose an income tax on America occurred during the War of 1812. After more than two years of war, the federal government owed an unbelievable $100 million of debt. To pay for this, the government doubled the rates of its major source of revenue, customs duties on imports, which obstructed trade and ended up yielding less revenue than the previous lower rates.
And to think that the Revolution was started because of Tea Taxes in Boston?