| DCCLV/V |
| MDX ÷ X |
| X% of MDX |
| Roman 151 |
| 755% of XX |
| DCIV ÷ IV |
| Early date |
| Nero's 151 |
| XV x X + I |
| Ovid's 151 |
| 10% of MDX |
| Cato's 151 |
| 5% of MMMXX |
| 151, to Nero |
| LXXV + LXXVI |
| MLVII ÷ VII |
| The year 151 |
| Scipio's 151 |
| 151, to Cato |
| Caesar's 151 |
| Half of CCCII |
| 151, to Caesar |
| 151 in old Rome |
| Monumental 151? |
| Quarter of DCIV |
| A gross, plus 7. |
| MDX divided by X |
| 151 to Big Julie |
| 151, to Claudius |
| One-tenth of MDX |
| 151 on a monument |
| 25 percent of DCIV |
| Second-century year |
| Second century date |
| XII x VIII + XI x V |
| One-third of CDLIII |
| V times XXX, plus 1 |
| 151, in ancient Rome |
| XXXVIth prime number |
| 151, in Roman numerals |
| One more than thrice L |
| One-twentieth of MMMXX |
| Year in Ptolemy's life |
| When M. Aurelius was 30 |
| Mid second-century year |
| Middle of the 2nd century |
| Year in the reign of Pius I |
| Year in reign of Pope Pius I |
| Middle of the second century |
| Year in Antoninus Pius's reign |
| Year in the papacy of St. Pius I |
| Year in the reign of Antonius Pius |
| Year in the reign of Antoninus Pius |
| First noncanonical psalm in the Bible |
| Height in feet of the Statue of Liberty, expressed in Roman numerals |