Historical clue formulations

• Greeted a king or queen, say — 2023-03-06
• Showing humility, say — 2019-06-13
• Bent at a curtain call — 2011-08-01
• Took a curtain call — 2008-01-21
• - — 2007-08-23
• Excused oneself, with "out" — 2005-05-24
• Showing obsequiousness — 2003-04-13
• Not erect — 2000-07-14