Historical clue formulations

• Followers: Suffix — 2016-12-03
• Adherents — 2016-07-14
• Believers: Suffix — 2015-08-04
• Followers: Suffix — 2011-09-04
• Motor add-ons? — 2011-08-06
• Believers — 2010-05-30
• Cult followers? — 2009-04-03
• They believe — 2008-04-17
• Believers: Suffix — 2006-03-28
• Adherents — 2002-08-17
• Adherents — 2001-09-14
• Believers — 1999-08-25
• Believers — 1999-06-10
• Followers — 1997-12-28
• Practitioners' suffix — 1997-10-05
• Political suffixes — 1997-01-15
• Followers: Suffix — 1996-12-23
• Followers — 1996-12-05
• Adherents — 1996-01-20
• Career suffixes — 1995-07-28
• Adherents — 1995-02-05
• Social hangers-on — 1995-01-29
• Followers — 1994-11-20
• Professional suffixes — 1994-02-09