Historical clue formulations

• "The ___ Prometheus," Mary Shelley's subtitle to "Frankenstein" — 2026-05-27
• Up-to-date — 2023-10-15
• With 5-Down, present time — 2016-10-31
• With 18-Down, life today — 2013-11-15
• Like Cubism and Pop Art — 2012-09-12
• Newfangled — 2011-12-25
• Tate ___ (London art gallery) — 2007-08-24
• One of the M's in MoMA — 2005-07-18
• In step with fashion — 2002-07-25
• Contemporary — 1998-08-18
• Big Apple museum, for short, with "the" — 1997-11-26
• Part of MOMA — 1997-02-04
• Part of MOMA — 1997-01-21
• Up-to-date — 1995-04-03