Historical clue formulations

• Les ___-Unis — 2019-03-13
• Les ___-Unis — 2018-11-12
• Les ___-Unis — 2018-07-26
• Amérique — 2018-03-25
• Californie and others — 2017-04-18
• Les ___-Unis — 2016-12-19
• ___-Unis — 2016-08-07
• Any of les Nations Unies — 2016-03-26
• Les ___-Unis — 2015-06-08
• Divisions politiques — 2014-07-01
• Solide and liquide — 2014-05-29
• Plural French word that spells its singular English form in reverse — 2014-02-09
• Ones united in France? — 2013-12-14
• ___ d'âme (moods: Fr.) — 2013-12-07
• Les ___-Unis — 2013-07-23
• Members of les Nations Unies — 2013-03-30
• French states — 2012-09-25
• Nations Unies members — 2010-04-16
• Les ___-Unis — 2010-01-18
• Les ___-Unis — 2009-05-28
• Les ___-Unis — 2009-05-13
• The Carolinas, e.g., to the French — 2009-03-25
• The Louvre's Salles des ___ — 2009-02-07
• Dakota du Nord et du Sud, par exemple — 2009-01-25
• Les ___-Unis — 2008-10-26
• Italie et Allemagne — 2008-07-20
• Québec's southern neighbors — 2008-05-21
• French political divisions — 2007-06-04
• Organisation des ___ Américains — 2007-02-18
• French political divisions — 2006-10-23
• Les ___-Unis — 2006-10-16
• Les ___-Unis — 2006-09-12
• Les ___-Unis — 2005-09-26
• Divisions politiques — 2005-07-01
• French political divisions — 2005-02-01
• Divisions politiques — 2004-05-23
• Nations Unies members — 2004-03-18
• The Dakotas, to de Gaulle — 2003-09-11
• Les ___-Unis — 2001-12-11
• Divisions politiques — 2000-11-24
• Les ___-Unis — 2000-11-15
• ___-Unis — 2000-06-11
• Les ___-Unis — 2000-05-31
• Québec's southern neighbors — 1999-12-11
• ___-Unis — 1997-11-30
• Divisions politiques — 1997-07-06
• ___-Unis — 1996-06-24
• The "E" in E.-U. — 1996-06-21
• Chirac's states — 1995-10-16
• _____ Unis (United States, to Pierre) — 1995-06-06