Historical clue formulations

• Capital of Österreich — 2018-01-04
• Austria's capital, to Austrians — 2010-02-24
• Locale for Apfelstrudel and Sachertorte — 2009-06-28
• City of waltzes, to natives — 2005-11-21
• Austria's capital, to Austrians — 2004-11-09
• Austria's capital, to the locals — 1999-05-31
• Freud's home — 1994-01-19