Historical clue formulations

• "True West" playwright Sam — 2026-04-11
• Sara who wrote the "Pretty Little Liars" books — 2024-02-10
• ALAN — 2014-04-23
• First American in space — 2010-04-20
• Astronaut Alan — 2008-09-29
• One of 39-Across — 1998-10-27