Historical clue formulations

• What's found at the end of "Citizen Kane"? — 2023-05-21
• Adventure's end? — 2016-02-11
• Chorale's end? — 2014-12-03
• Matte finish? — 2011-09-16
• End of life as we know it? — 2010-03-17
• Ending of fame or fortune — 2002-10-02