Historical clue formulations

• With 19-Across, swing dance originating in Harlem — 2026-05-29
• ___ hop (swing era dance) — 2021-03-31
• "___ LANDS!" (headline of 1927) — 2019-05-24
• Lucky ___ (nickname for the Spirit of St. Louis pilot) — 2018-03-05
• Swinging dance — 2010-04-11
• Dance to 1920's-40's jazz — 2006-03-26
• Jitterbug variety — 2004-12-19
• Dance named after an aviator — 2003-02-17
• Aviation hero of '27 — 2000-10-02
• Popular 30's dance — 1997-03-14
• Lucky _____ — 1994-02-20