Historical clue formulations

• Blanket — 2024-02-11
• Sit on — 2021-01-03
• Be positioned above — 2009-07-01
• Cover — 2006-02-27
• Cover — 2005-04-09
• Be situated above — 1999-11-21
• Cover — 1999-10-04
• Blanket — 1999-09-26
• Be situated atop — 1998-03-10