Historical clue formulations

• Go up against — 2020-10-04
• Go up against — 2016-05-20
• Assume responsibility for — 2005-02-15
• Assume — 2004-08-08
• Hire — 2001-12-31
• Assume — 2000-11-11
• Assume, as a task — 2000-05-17
• Hire — 1999-12-23
• Hire — 1996-03-27