Historical clue formulations

• *Chocolate bar named for a group of literary swordsmen — 2024-02-19
• Group whose motto is a hint to this puzzle's theme — 2020-08-13
• Aramis, Athos, D'Artagnan and Porthos, with "the" — 2005-08-03
• Ritz Brothers portrayal of 1939 — 1996-09-21