Historical clue formulations

• Aegean Sea island — 2020-11-07
• Greek island where Pythagoras and Epicurus were born — 2018-06-03
• Member of the ancient Ionian League — 2017-12-06
• Aegean island — 2013-11-21
• Island birthplace of Epicurus — 2012-02-09
• It's north of the Dodecanese Islands — 2009-03-28
• Island birthplace of Epicurus — 2000-11-17
• Island in the Delian League — 1995-11-16
• Aegean island, home of the despot Polycrates — 1995-03-25