03/10/1913 US Federal income tax is signed into law
History Brief: The Federal Income Tax and the Federal Reserve
The Federal Reserve Act Explained
The Federal Reserve Explained in 3 Minutes
The Revenue Act of 1913 re-imposed the federal income tax after the ratification of the Sixteenth Amendment and lowered basic tariff rates from 40% to 25%. It was signed into law by President Woodrow Wilson and sponsored by Alabama Representative Oscar Underwood.