Historical clue formulations

• — — 2023-08-06
• Olaf Scholz's country: Abbr. — 2022-05-22
• Neighbor of Belg. — 2021-03-28
• Switz. neighbor — 2020-09-06
• 2014 World Cup winner: Abbr. — 2016-08-12
• Neighbor of Lux. — 2013-11-12
• Eur. land — 2013-01-18
• Neth. neighbor — 2013-01-08
• E.U. member — 2012-02-05
• Lang. in which 43-Across is a word — 2011-03-08
• Tongue of Jung: Abbr. — 2008-04-13
• Neighbor of Switz. — 2008-02-03
• Neth. neighbor — 2006-11-19
• Neth. neighbor — 2006-10-11
• Berlin's land: Abbr. — 2006-07-31
• Eur. language — 2004-10-10
• E.U. language — 2004-01-31
• Lux. neighbor — 2003-05-07
• Neighbor of Aus. — 2002-06-26
• What Austrians speak: Abbr. — 2002-01-08
• NATO member: Abbr. — 2001-08-05
• E.U. member — 2000-12-22
• One who makes a mark: Abbr. — 2000-07-28
• E.U. country — 2000-02-11
• Part of the 25-Across: Abbr. — 1999-08-01
• W.W. II combatant: Abbr. — 1999-06-19
• Berlin's home: Abbr. — 1998-05-25
• Member of the E.U. — 1997-11-08
• Neighbor of Aus. — 1996-07-21
• Neighbor of Switz. — 1996-06-13
• Neighbor of Lux. — 1996-05-28
• Switz. neighbor — 1995-10-23
• Luther's lang. — 1995-05-25
• Cologne's loc. — 1994-11-12
• Neighbor of Pol. — 1994-07-01