Historical clue formulations

• Film incorrectly announced as Best Picture before "Moonlight" — 2025-05-19
• 2016 film starring Emma Stone and Ryan Gosling … or a hint to 17-, 23-, 36- and 46-Across — 2024-09-16
• State of obliviousness — 2019-11-15
• 2016 Best Picture "winner" (for about two minutes) — 2018-10-10
• Dreamy state — 2018-03-08
• Dreamworld — 2015-04-12
• Plane for a space cadet? — 2011-11-26
• Dreamy state — 2010-06-28
• Dreamy place — 2009-08-03
• Space cadet's place — 2005-03-08
• Space cadet's place — 2001-04-13
• Dreamy state — 1999-11-05