Historical clue formulations

• Spectators — 2009-11-22
• Close watchers — 2009-06-09
• Oglers — 2008-04-23
• Observers — 2005-01-18
• Good lookers — 2001-10-21
• Onlookers — 1999-01-08
• Watchers — 1997-08-06
• Observers — 1996-11-09
• Intent watchers — 1996-05-05
• Sentinels — 1994-01-09