Last seen in:
- The Washington Post Sunday - Jul 4 2021
- Premier Sunday - King Feature Syndicate - Jul 5 2015
- Irish Times (Simplex) - Jan 3 2014
- Irish Times (Simplex) - Aug 5 2013
- Irish Times (Simplex) - May 15 2013
- Wall Street Journal - Dec 14 2012 - December 14, 2012 - Hollywood Gift Exchange
- Irish Times (Simplex) - Jan 4 2012
- Canadiana - Sep 12 2011
- Universal - Jun 9 2011
- Irish Times (Simplex) - Aug 4 2009
Related Clues:
- A billion years, in geology
- A billion years, to geologists
- Piece of baggage?
- Many generations
- Umpteen millennia
- Mind-boggling time span
- Reeeeeeally long time
- Longest division of geologicalà time
- Where does N.C. rank among U.S. states in Christmas tree production?
- Gigayear
- 1/60,000 min.
- Forever and a day, facetiously
- It's a real stretch
- Astronomically long time
- It seemingly never ends