Historical clue formulations

• Capital on the mouth of the Daugava River — 2026-08-01
• [See title] — 2026-07-19
• World capital on both banks of the Daugava River — 2025-11-07
• Latvian capital — 2025-10-05
• Capital on the Baltic Sea — 2025-06-18
• Baltic capital city — 2025-01-12
• Baltic capital — 2024-11-08
• World capital where it's illegal to display the Soviet hammer and sickle — 2023-10-13
• Capital on the Daugava River — 2023-03-25
• European capital known for its Art Nouveau architecture — 2022-07-15
• Capital of Latvia — 2021-12-28
• Where to find lots of Letts — 2021-10-20
• Latvia's capital — 2021-09-20
• Capital of Latvia — 2020-09-28
• World capital where Lettish is spoken — 2020-05-15
• Major Baltic port — 2020-01-21
• Latvia's capital — 2019-08-07
• Northern Europe's Gulf of ___ — 2019-01-25
• Baltic capital — 2018-10-31
• Largest city in the Baltic States — 2018-08-16
• Baltic city where Baryshnikov was born — 2018-03-27
• Largest city in the Baltics — 2018-03-25
• European capital — 2017-07-29
• Baltic capital — 2017-06-14
• Europe's Gulf of ___ — 2017-02-10
• Baltic capital — 2017-01-10
• Latvia's capital — 2016-03-02
• Latvia's capital — 2014-03-11
• Latvia's capital — 2013-03-18
• Capital of Latvia — 2011-10-04
• Latvia's capital — 2011-05-16
• Latvia's capital — 2011-01-19
• Latvian capital — 2010-12-02
• European capital — 2010-05-28
• Latvia's capital — 2009-11-30
• Port near Ogre — 2009-11-13
• European capital — 2008-10-30
• Capital on the Dvina River — 2008-06-08
• Latvia's capital — 2008-02-19
• Capital on the Daugava River — 2007-06-22
• World capital on a gulf of the same name — 2006-11-19
• Baltic capital — 2006-10-04
• Gulf of ___, arm of the Baltic — 2005-11-24
• Latvia's capital — 2005-04-04
• Baltic port — 2004-12-12
• European capital — 2004-07-03
• Latvia's capital — 2004-03-01
• Baltic capital — 2003-10-15
• Capital of Latvia — 2003-09-08
• Latvia's capital — 2003-08-28