Historical clue formulations

• "Rapunzel" or "Rumpelstiltskin" — 2023-01-15
• What the starts of 17-, 26-, 35- and 50-Across are — 2017-01-23
• "The 91-/100-Across," for one — 2011-12-25
• Story that might include a dragon — 2003-07-01