Historical clue formulations

• Hamburger connection? — 2026-09-24
• Cologne conjunction — 2026-05-17
• Sturm ___ Drang — 2024-08-25
• Connection at Frankfurt Airport? — 2024-07-28
• German conjunction — 2021-01-01
• Sturm ___ Drang — 2019-09-12
• Lufthansa connection? — 2016-01-16
• Wiener link? — 2014-08-16
• Cologne conjunction — 2014-07-20
• German connector — 2014-05-06
• Sturm ___ Drang — 2014-04-02
• See 38-Across — 2012-08-22
• "Hänsel ___ Gretel" — 2011-12-14
• German connection — 2011-09-29
• "Tristan ___ Isolde" — 2011-05-18
• Grand Forks sch. — 2011-03-06
• Grand Forks sch. — 2011-01-23
• Freud's "Totem ___ Tabu" — 2010-04-03
• "Tristan ___ Isolde" — 2010-02-23
• German link — 2006-12-31
• Frankfurter link — 2004-10-03
• Sturm ___ Drang — 2004-08-10
• Cologne conjunction — 2004-02-08
• Teutonic connector — 2003-08-29
• Düsseldorf connector — 2000-06-06
• Frankfurter link? — 2000-04-30
• Lufthansa connection — 2000-04-22
• ___ so weiter (et cetera): Ger. — 1999-04-11
• German link — 1998-08-01
• Hamburger link? — 1996-12-20
• Hamburger's connection — 1996-11-08
• Berlin connection — 1996-02-25
• "Hansel___Gretel" — 1996-02-23
• Sturm ____ Drang (turmoil) — 1995-08-17
• German link — 1994-02-07
• Berlin connector — 1994-01-26