Historical clue formulations

• MGM's lion, e.g. — 2018-02-11
• Lion or tiger or bear — 2010-10-10
• One guffawing — 2009-02-23
• Hungry lion, e.g. — 2007-09-30
• Lion, for one — 2007-06-27
• Lion — 2005-10-02
• Lion — 1998-08-01