Historical clue formulations

• Police officers, in British slang — 2023-06-02
• Moves like an elephant — 2020-05-31
• Lumbers (along) — 2019-05-19
• Moves laboriously — 2013-01-09
• Moves slowly — 2008-09-02
• Trudges — 2007-07-08
• Trudges — 2005-07-06
• Goes none too quickly — 2004-10-23
• Walks like a workhorse — 2000-08-21
• Drudges — 1998-11-17
• Is slow-paced — 1998-08-08