Historical clue formulations

• Italian city that's home to the Villa d'Este — 2019-04-20
• Temple of Vesta locale — 2012-03-31
• Copenhagen's ___ Gardens — 2008-08-12
• Danish tourist attraction — 2003-11-29
• Copenhagen park — 2002-12-04
• Villa d'Este city — 1999-07-23
• Copenhagen park — 1997-11-08
• Copenhagen's ____ Gardens — 1995-11-17
• Villa d'Este locale — 1994-02-23
• Roman villa locale — 1993-12-14