| Cenozoic or Archeozoic | 22 |
| Cause that NOW championed | 25 |
| Carlton's important stat. | 29 |
| Caesarean or Alexandrian | 24 |
| Bush ___ (early 2000s) | 22 |
| Brand in a red container | 24 |
| Brand at the laundromat | 23 |
| Big Band or Prohibition | 23 |
| Big Band or Christian, e.g. | 27 |
| Big Band ___ (1930s-'40s) | 29 |
| Baseball-scoring initials | 25 |
| Babylonian or Caesarean | 23 |
| Avg. used in Sabermetric | 24 |
| Archeozoic or Proterozoic | 25 |
| Antiochian or Augustan | 22 |
| An ace usually has a low one | 28 |
| American Depression, e.g. | 25 |
| A simpler one may be recalled | 29 |
| A pitcher should keep it low | 28 |
| A pitcher likes a low one | 25 |
| A low one is best, for short | 28 |
| A balk might make it go up | 26 |
| 70's and 80's cause | 27 |
| 1970's-80's cause | 25 |
| "Good Feeling" time | 29 |
| "Big Band" period | 27 |
| '70s-feminist cause | 23 |
| ___ of Good Feeling: 1817-24 | 28 |
| Christopher Paolini book | 24 |
| Elizabethan and Victorian | 25 |
| Colorful aquarium fish | 22 |
| Paleozoic and Mesozoic | 22 |
| Important historic times | 24 |
| Edwardian and Elizabethan | 25 |
| Distinctive times of history | 28 |
| Distinctive time periods | 24 |
| Victorian and Romantic | 22 |
| Mesozoic and Paleozoic | 22 |
| Cenozoic and Paleozoic | 22 |
| Big Band and Victorian | 22 |
| Significant times in history | 28 |
| Precambrian and Paleozoic | 25 |
| Paleozoic and Edwardian, e.g. | 29 |
| Noteworthy historical periods | 29 |
| Memorable periods in history | 28 |
| Memorable chunks of history | 27 |
| Important chapters in history | 29 |
| Geologists' studies | 23 |
| Geologists' periods | 23 |
| Geological time series | 22 |
| Eventful times in history | 25 |
| "-zoic" things | 24 |
| Victorian and Mesozoic | 22 |
| Victorian and Edwardian | 23 |
| Victorian and Cenozoic | 22 |
| They're full of dates | 25 |
| They're a part of history | 29 |
| Specific times in history | 25 |
| Some are named for presidents | 29 |
| Significant time spans | 22 |
| Significant time periods | 24 |
| Presidencies, to historians | 27 |
| Pitching stats, for short | 25 |
| Pitchers' concerns | 22 |
| Pitchers want low ones | 22 |
| Pitchers try to keep them low | 29 |
| Periods of historical note | 26 |
| Paleozoic and Mesozoic, e.g. | 28 |
| Paleozoic and Cenozoic | 22 |
| Notable times in history | 24 |
| Notable historical spans | 24 |
| Mesozoic and Victorian | 22 |
| Important times in history | 26 |
| Important time periods | 22 |
| Horse-and-buggy and others | 26 |
| Historic stretches of time | 26 |
| Historian's divisions | 25 |
| Geologists' divisions | 25 |
| Geologic slices of time | 23 |
| Gay '90s and the like | 25 |
| Five geological periods | 23 |
| Eventful timeline divisions | 27 |
| Elizabethan and Big Band | 24 |
| Christian and Caesarean | 23 |
| Cenozoic and Mesozoic, e.g. | 27 |
| Big Band and jazz, e.g. | 23 |
| Big Band and dead-ball | 22 |
| You were, in ancient Roma | 25 |
| Western Civilization lessons | 28 |
| Victorian, Romantic, etc. | 25 |
| Topics for history courses | 26 |
| Times that are distinctive | 26 |
| Times on the History Channel? | 29 |
| Time line divisions, perhaps | 28 |
| They may be geological | 22 |
| They go down when zeros go up | 29 |
| They can be park-adjusted | 25 |
| The Rock and the Swing | 22 |
| The Renaissance, et al. | 23 |
| The Gay Nineties and others | 27 |