Historical clue formulations

• Not too swift — 2015-07-05
• Larghetto — 2009-05-30
• Not too quick — 2009-01-08
• A bit dense — 2006-03-10
• Molasseslike — 2004-03-08
• Not too swift — 2001-02-10
• Rather poky — 2000-05-30