Historical clue formulations

• Pro ___ (perfunctory) — 2022-09-13
• Pro ___ — 2012-09-19
• Pro ___ — 2012-05-19
• Pro ___ (perfunctory) — 2010-09-27
• Pro ___ (perfunctorily) — 2004-04-07
• Pro follower — 2001-07-11
• Pro ___ — 2000-12-30
• Pro ___ (perfunctorily) — 2000-12-26
• Pro ___ (perfunctory) — 1996-10-28