Historical clue formulations

• Famous last word of film — 2020-01-31
• It really is an 8-Down — 2017-03-19
• Spring opener — 2011-11-17
• Mystery word in "Citizen Kane" — 2006-04-06
• American Beauty growth — 2002-12-25
• Future rambler, say — 2002-11-28
• Spring sight — 2001-05-27
• Citizen Kane's last word — 1997-11-17