Historical clue formulations

• Neighbors of Estonians — 2019-07-05
• Baltic natives — 2016-07-06
• "August: Osage County" playwright Tracy — 2014-06-20
• Rigans, e.g. — 2013-11-21
• Neighbors of Belarusians — 2010-05-08
• Some Baltic residents — 2005-09-27
• Some Balts — 1998-02-14
• Some Balts — 1997-08-10
• Latvians — 1995-10-29