Historical clue formulations

• Put away, as a sword — 2020-01-05
• Cover in a protective layer — 2019-04-26
• Put away, as a sword — 2008-05-12
• Cover — 2008-03-16
• Encase — 2006-05-12
• Put away, in a way — 2001-10-20
• Encase — 2001-05-09
• Cover a point? — 2000-10-27
• Protect in a cover — 2000-02-23
• Put away, in a way — 1998-05-28
• Stick in a case — 1996-05-18
• Encase — 1994-05-01