Historical clue formulations

• "Stompin' at the ___" (Benny Goodman standard) — 2026-02-26
• Classic Harlem ballroom, with "the" — 2019-10-20
• Cabbage with crinkly leaves — 2017-11-01
• Last royal house of Italy — 2015-12-30
• Classic Harlem ballroom, with "the" — 2015-01-03
• Popular 1920s-'50s Harlem ballroom, with "the" — 2011-04-21
• Classic Harlem ballroom — 2007-04-15
• "Stompin' at the ___" — 2003-11-11
• "Stompin' at the ___" (1934 hit) — 2001-09-10
• Place for "stompin'" — 2000-12-05
• ___ operas (Gilbert and Sullivan works) — 1997-06-26
• Old Italian royal house — 1996-09-29
• "Stompin' at the _____" — 1994-12-14
• "Stompin' at the _____" — 1994-09-19