Historical clue formulations

• Island off Greece's northwest coast — 2024-10-13
• Vacation isle in the Ionian Sea — 2024-09-08
• Vacation destination in the Ionian Sea — 2023-09-09
• Greek tourist destination — 2020-12-22
• Island in NW Greece — 2019-06-22
• Ionian Sea vacation isle — 2013-03-06
• Greek port where Prince Philip was born — 2009-12-14
• Greek port — 2008-07-05
• Greek vacation spot — 2003-08-28
• Where Prince Philip was born — 1998-01-06
• Ionian island — 1995-03-21