Historical clue formulations

• Escalade, e.g. — 2024-04-21
• French explorer who founded Detroit — 2021-05-16
• Something that's the most luxurious of its kind — 2010-04-09
• Detroit's founder — 2003-10-02
• Detroit's founder — 2002-12-12
• Founder of Detroit — 1994-08-05