Historical clue formulations

• Down Under land: Abbr. — 2025-12-16
• Schwarzenegger's birthplace: Abbr. — 2021-11-03
• Vienna's home: Abbr. — 2021-04-26
• Northern neighbor of 29-Across: Abbr. — 2021-03-05
• Where some things are really hopping?: Abbr. — 2021-01-21
• Home of the 2000 Summer Olympics: Abbr. — 2020-01-25
• Vienna's home: Abbr. — 2019-05-20
• Neighbor of Ger. — 2016-08-21
• Alpine land: Abbr. — 2014-11-16
• Graz's land: Abbr. — 2014-03-30
• Vienna's land: Abbr. — 2014-02-19
• Vienna's land: Abbr. — 2013-09-17
• Neighbor of Ger. — 2012-09-05
• Innsbruck locale: Abbr. — 2012-07-11
• Olympics competitor of NZL — 2012-05-02
• Mozart's birthplace: Abbr. — 2011-12-25
• Switz. neighbor — 2011-11-22
• Vienna's land: Abbr. — 2011-03-07
• Neighbor of Ger. — 2010-08-17
• Neighbor of Ger. — 2009-12-08
• Neighbor of Switz. — 2008-11-09
• Out of: Ger. — 2008-06-19
• Part of the E.U.: Abbr. — 2006-03-12
• "The Third Man" setting: Abbr. — 2006-02-02
• Mozart's home: Abbr. — 2005-09-07
• Vienna's land: Abbr. — 2004-11-29
• "The Sound of Music" setting: Abbr. — 2004-07-12
• Where Schwarzenegger was born: Abbr. — 2004-06-29
• Neighbor of Ger. — 2003-12-09
• Innsbruck locale: Abbr. — 2002-11-26
• Vienna's home: Abbr. — 2002-07-01
• The Enns crosses it: Abbr. — 2002-05-25
• Danube locale: Abbr. — 2002-02-10
• Neighbor of Switz. — 2001-01-12
• Vienna's land: Abbr. — 2000-11-01
• Neighbor of Liech. — 2000-08-20
• Linz locale: Abbr. — 2000-07-14
• Danube locale: Abbr. — 2000-06-06
• Hung. neighbor — 1997-12-28
• Mahler's homeland: Abbr. — 1997-08-20
• Out of: Ger. — 1997-04-10
• Neighbor of Hung. — 1996-10-15
• Not in, in Innsbruck — 1996-03-20
• Neighbor of Ger. — 1995-09-10
• Neighbor of Switz. — 1994-08-16
• Vienna is its cap. — 1994-01-03