Historical clue formulations

• First line of a classic Dr. Seuss book — 2024-04-24
• First line of a Seuss classic — 2021-05-23
• 2001 Sean Penn movie — 2019-07-03
• 2001 Sean Penn movie — 2016-01-27
• 2001 Sean Penn film — 2012-09-06
• 2001 Sean Penn movie — 2012-02-27
• 2001 drama whose title is taken from "Green Eggs and Ham" — 2011-10-19
• 2001 Sean Penn film — 2007-07-09
• 2001 Sean Penn film — 2007-03-25