Last seen in:
- The Washington Post - Feb 5 2021
- L.A. Times Daily - Feb 5 2021
- The Washington Post - Oct 15 2017
- L.A. Times Daily - Oct 15 2017
- L.A. Times Daily - Jan 4 2011
- Newsday.com - Dec 12 2008
- Eugene Sheffer - King Feature Syndicate - Jul 16 2008
- Eugene Sheffer - King Feature Syndicate - May 6 2008
- USA Today - Dec 28 2007
- New York Times - Sep 3 2006
Related Clues:
- Big periods
- Some historical spans
- Paleozoic and Edwardian, e.g.
- Stretches of history
- Remembered periods
- Spanish form of 'to be' after 'tú'
- Remarkable periods
- Important periods
- History divisions
- Hoards
- Christian and Muslim periods
- Victorian and Romantic
- History 101 subjects
- Significant stretches of time
- Eon divisions