Historical clue formulations

• Passage of a planet across a star, e.g. — 2024-04-21
• Buses and trains — 2022-12-25
• Kind of visa for just passing through an airport — 2021-11-23
• Buses and trains — 2007-08-06
• Passage — 2007-05-06
• Kind of visa — 2003-07-05
• Passage — 2000-08-25
• Kind of visa — 1996-03-24