Historical clue formulations

• Hot dog — 2022-10-18
• Frank — 2021-09-12
• Frank — 2017-12-27
• Food item named after an Austrian city — 2013-09-22
• Frank — 2011-11-12
• Frank — 2011-06-15
• Dog — 2005-04-28
• Frank — 2000-08-22
• Frank — 1999-09-04
• Frank — 1997-07-13
• Freud, e.g. — 1994-07-28