Historical clue formulations

• European textile city that gave us the word "denim" — 2017-07-07
• French department capital known in Roman times as Nemausus — 2017-02-13
• City near Avignon — 2016-05-03
• French textile city — 2007-04-08
• French site of Roman ruins — 2005-02-18
• 11th-century cathedral city — 1998-12-20
• 1629 treaty city — 1996-02-06