Historical clue formulations

• Swiss river — 2024-02-29
• European river that originates from a glacier — 2018-08-04
• Longest river entirely within Switzerland — 2015-08-30
• European river whose tributaries include the Wigger and the Emme — 2015-08-13
• High Rhine feeder — 2015-07-10
• River that flows from the Bernese Alps — 2015-02-24
• Longest river wholly in Switzerland — 2014-11-24
• It's canalized at Interlaken — 2014-04-26
• Swiss bank depositor? — 2014-03-15
• River to the Rhine — 2014-03-02
• Swiss river — 2013-12-17
• Rhine tributary — 2013-10-20
• Swiss river — 2013-06-17
• Bern's river — 2013-04-29
• Tributary of the High Rhine — 2012-11-01
• Swiss banks may be affiliated with it — 2012-09-28
• Drainer of most of Switzerland — 2011-12-24
• It has banks in Switzerland — 2011-08-14
• Rhine feeder — 2011-02-23
• Longest river entirely in Switzerland — 2011-02-03
• Rhein tributary — 2010-11-17
• Interlaken's river — 2009-07-05
• River through Interlaken — 2009-03-01
• Lake Thun's river — 2009-02-12
• It has banks in Bern — 2008-05-11
• River to the Rhine — 2008-04-24
• Swiss river — 2008-01-21
• Bern's river — 2007-11-11
• It rises in the Bernese Alps — 2007-08-30
• River of Switzerland — 2007-08-28
• River to the Rhine — 2006-12-08
• Rhine feeder — 2006-08-20
• Sight from Bern — 2006-02-01
• Alpine stream — 2005-12-01
• Bern's river — 2005-11-06
• Thun's river — 2005-10-14
• Swiss bank site — 2005-07-02
• Bern's river — 2005-03-09
• River of Bern — 2004-11-16
• River known anciently as Obringa — 2004-05-21
• Europe's Gorge of the ___ — 2004-01-31
• Webster's first river — 2003-11-30
• It has Swiss banks — 2003-07-13
• It has banks in Switzerland — 2003-06-08
• It flows past Olten — 2003-05-31
• It established banks in Switzerland — 2003-01-05
• Swiss river — 2002-06-30
• River to the Rhine — 2001-11-21
• Alpine river — 2001-07-11
• Bern is on it — 2001-05-03