Historical clue formulations

• Busy — 2022-06-08
• Occupied — 2022-03-19
• Busy with other things — 2022-02-28
• At deuce, say — 2014-11-13
• Even — 2009-10-28
• Busy — 2006-10-10
• Busy — 2001-03-11
• Busy — 1999-05-28
• Busy — 1996-11-10
• Busy — 1995-04-28