Historical clue formulations

• Tiptoed, say — 2026-08-13
• Moved slowly — 2025-05-22
• Moved like a cat burglar — 2024-02-04
• Moved furtively — 2018-07-06
• Went furtively — 2016-03-17
• Made slow progress — 2014-02-21
• Advanced slowly — 2013-09-13
• Sneaked — 2012-10-02
• Was snail-like — 2010-03-12
• Proceeded with caution — 2008-08-08
• Was sluggish? — 2007-10-26
• Inched — 2007-07-22
• Pussyfooted — 2004-02-07
• Inched — 1999-10-03
• Inched — 1999-01-03
• Stole — 1996-05-31
• Stole — 1995-04-06
• Stole — 1993-12-25