Historical clue formulations

• Experimental effort — 2025-02-03
• Lab simulation — 2022-04-05
• Trial — 2020-08-07
• Tryout — 2015-05-08
• Beta release, essentially — 2004-01-23
• Shakedown — 2002-08-11
• Trial — 2001-05-17
• Tryout — 1997-01-24
• Trial — 1995-09-02