Last seen in:
- The Washington Post - Jan 3 2022
- L.A. Times Daily - Jan 3 2022
- The Guardian - Quick crossword No 16,051 - Oct 16 2021
- Newsday.com - Oct 18 2017
- BuzzFeed - Mar 31 2016
- Premier Sunday - King Feature Syndicate - Feb 7 2016
- L.A. Times Daily - Oct 14 2013
- L.A. Times Daily - Nov 8 2012
- Newsday.com - Oct 13 2011
- USA Today - Dec 22 2010
Related Clues:
- Annals of history
- Time chunks
- Historic chapters
- Pitching numbers
- Big slices of history
- Noteworthy historical periods
- Periods of interest
- Aces' are low
- Victorian and Cenozoic
- Periods of historical note
- Box score stats
- They're often associated with world leaders
- Paleozoic et al.
- Chapters in a history book, perhaps
- Notable times in history