Historical clue formulations

• Attendees — 2015-01-26
• Attendees — 2013-09-17
• Ones on the move — 2012-05-16
• Busy people — 2005-08-07
• They're leaving — 2003-12-05
• Gadabouts — 2001-12-16
• Habitués — 2001-02-24
• They're on the move — 1999-09-04
• Gadabouts — 1999-02-03
• Active ones — 1996-08-12
• Traveling types — 1996-04-15