Historical clue formulations

• Snap, crackle or pop — 2025-02-08
• Word sounded out by the ends of 20-, 35- and 40-Across — 2023-02-22
• *Words that come from clams — 2008-12-06
• 20-, 26- or 46-Across, e.g. — 2000-07-10
• Snap, crackle and pop, e.g. — 1995-01-24