Historical clue formulations

• Department capital SE of Paris — 2019-11-24
• French city where an English/French treaty was signed in 1420 — 2018-05-04
• City on the Seine upstream from Paris — 2014-02-09
• Capital of France's Aube department — 2007-08-12
• French poet Chretien de___ — 1996-07-03