Historical clue formulations

• River to the English Channel — 2024-10-13
• 1916 battle site, with "the" — 2024-04-21
• River in Picardy — 2021-10-29
• French river in fierce W.W. I fighting — 2019-02-26
• W.W. I battle site at which the tank was introduced — 2016-02-06
• Battle of Albert setting, 1914 — 2014-05-24
• Amiens's river — 2013-09-25
• 1916 battle site — 2005-06-22
• English Channel feeder — 2003-09-11
• French river in W.W. I news — 2003-08-13
• W.W. I battle site — 2003-03-29
• Amiens is its capital — 2003-01-24
• Scene of W.W. I fighting — 2001-04-15
• English Channel feeder — 2000-01-04
• English Channel feeder — 1999-11-02
• Amiens is its capital — 1999-08-29
• French river to the English Channel — 1999-04-27
• Amien's river — 1995-12-24
• Amiens's department — 1994-02-06