| Iowa college since 1851 |
| Cato's 511 |
| Matinee idol Novello: 1893–1951 |
| An American in Paris" co-star, 1951 |
| 1951 play by Literature Nobelist Nelly Sachs |
| Caesar's 551 |
| M.L.K.'s alma mater, 1951 |
| Moses" author, 1951 |
| Gigi" playwright, 1951 |
| AL MVP of 1951, 1954 and 1955 |
| 551, formerly |
| Where Attila was defeated, 451 |
| Nero's 451 |
| Finale of a 151-move chess game |
| 1951 hit with music by former Veep Dawes |
| 1951 play that inspired "Cabaret |
| 51st Psalm |
| Actress Christians: 1900-1951 |
| Yankees pitcher who threw two no-hitters in a single season in 1951: 2 wds. |
| Livy's 1,551 |
| Actress Mildred of "Death of a Salesman" (1951) |
| Ovid's 151 |
| Explosive development of 1951 |
| English prime minister: 1945–51 |
| Paint Your Wagon" mother of 1951 Broadway |
| Alleged Area 51 specimens, briefly |
| 1951 play on which "Cabaret" is based |
| Livy's 551 |
| ___ 51 (military site associated with aliens) |
| Nero's 251 |