Historical clue formulations

• Nation whose flag has a black eagle on a solid red background — 2017-07-20
• NATO member since 2009 — 2015-05-28
• Land on the Adriatic — 2013-05-01
• Neighbor of Montenegro — 2011-08-31
• Modern locale of ancient Illyria — 2011-05-08
• Country with which the U.S. goes to war in "Wag the Dog" — 2011-03-10
• Neighbor of Macedonia — 2005-08-21
• Where Enver Hoxha ruled for 40 years — 2005-05-28
• Ally in the war in Kosovo — 2002-11-22
• Zog I's domain — 1999-05-28
• Where King Zog ruled — 1996-06-05
• Where Tirana is — 1995-05-04
• Modern site of ancient Illyria — 1994-09-29
• Balkan country — 1994-02-21