Historical clue formulations

• Set sail — 2026-01-20
• Get on board — 2025-12-20
• Start a journey — 2021-06-29
• Board — 2018-08-10
• Start, with "on" — 2007-05-24
• Set sail — 1997-10-07
• Start off — 1995-01-26
• Start, as a trip — 1994-08-15