Historical clue formulations

• *NATO's smallest member, populationwise — 2017-04-25
• European country whose telephone directories list people alphabetically by first name — 2016-05-05
• Locale of the 15-Down Eyjafjallajökull — 2015-08-30
• Home of the Great Geysir — 2010-05-08
• Member of NATO — 2004-07-02
• One side in the Cod War — 2003-06-19
• Onetime Danish province — 1996-05-25