Historical clue formulations

• Formal words of commitment — 2024-01-09
• "Consider it done" — 2017-09-24
• Formal-sounding commitment — 2016-12-12
• Promising beginning? — 2014-10-21
• Promising start? — 2013-01-12
• Stilted-sounding "Consider it done" — 2012-03-23
• Words from a promising individual? — 2007-12-09
• Start of a declaration — 2001-06-24
• Start of a MacArthur quote — 2000-06-28