| 100% | SEP | 3 | Wm. H. Taft was the only U.S. president born in this month |
| 44% | PATENT | 6 | Lincoln is the only U.S. president to have one |
| 44% | PHD | 3 | Woodrow Wilson was the only U.S. president to have one |
| 44% | PHD | 3 | Woodrow Wilson is the only U.S. president to have one |
| 44% | MBA | 3 | Bush Jr. is the only U.S. president to hold one |
| 43% | OBAMA | 5 | Only president not born in the continental U.S. |
| 43% | OBAMA | 5 | Only U.S. president born in Hawaii |
| 43% | MOTTO | 5 | Montana is the only U.S. state with one in Spanish |
| 43% | EIGHTIES | 8 | Ronald Reagan was the US president in this decade |
| 43% | LABORUNION | 10 | Ronald Reagan is the only U.S. president who was also president of a … |
| 42% | OAHU | 4 | Birthplace of the only U.S. president born outside the contiguous 48 states |
| 41% | ADAMS | 5 | The only U.S. president whose vice president ran against him to succeed him was John .... |
| 41% | GRANT | 5 | This US president was buried in the largest mausoleum in North America |
| 40% | USN | 3 | JFK was the first president to have served in this branch of the US Armed Forces |
| 40% | AGNEW | 5 | Only U.S. vice president born in Maryland |
| 39% | BRIDES | 6 | There are more of these in the U.S. in October than any other month, surprisingly |
| 38% | IOWA | 4 | Hoover was the only president born there |
| 38% | RADIO | 5 | In 1922, Warren G. Harding became the first U.S. president to be broadcast over this |
| 38% | OBAMA | 5 | Only president born in the 1960s |
| 38% | IKE | 3 | Nickname of the first U.S. president born in 7-Down |
| 38% | RONALDREAGAN | 12 | U.S. president who was the first born in Illinois, the first to have been divorced, and the first to nominate a woman to the Supreme Court (2 wds.) |
| 37% | TRIVIA | 6 | "Hawaii and Tennessee are the only two U.S. states whose names end in doubled letters," e.g. |
| 37% | LYNDONJOHNSON | 13 | U.S. president who was awarded the Silver Star in WWII by General MacArthur (2 wds.) |
| 37% | PHD | 3 | Woodrow Wilson was the only president with this degree: Abbr. |
| 37% | OBAMA | 5 | Only US president born in Hawaii |
| 37% | REAGAN | 6 | Only U.S. president with a star on the Hollywood Walk of Fame (probably because he made July National Ice Cream Month) |
| 37% | FDR | 3 | Initials of the only US president to be elected four times |
| 36% | STATE | 5 | Only one bears the name of a U.S. president |
| 36% | REAGAN | 6 | Ronald ___, former U.S. President who was selected as the "Time Person of the Year" in 1980 |
| 36% | PHD | 3 | Woodrow Wilson was the only U.S. prez to have one |