| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| When the Underwood Tariff became law in 1913, it replaced lost tariff money with this tax | income tax | $500 | J | U.S. HISTORY | 1992-09-14 | #1841 | |
| In 1894, Congress passed a law making this graduated for the 1st time | income tax | $600 | DJ | U.S. HISTORY | 1988-05-16 | #866 | |
| Annual practice begun in 1913 following passage of 16th Amendment | income tax | $400 | DJ | U.S. HISTORY | 1985-03-01 | #125 |