Historical clue formulations

• Extended voyage — 2026-07-05
• *Drawn-out story of travel woes? — 2024-07-04
• Journey such as the one where 20-Across appears — 2024-04-17
• Long quest — 2024-02-25
• Long and perilous journey — 2022-07-27
• What a trip! — 2021-11-06
• Epic quest — 2018-10-24
• Storied journey — 2018-03-11
• It tells of a trip to Ithaca — 2015-10-10
• It starts "Tell me, muse, of the man of many resources" — 2011-04-01
• Tale of a trip to Ithaca — 2008-06-22
• Spacecraft orbiting Mars — 2006-07-09
• Amazing adventure — 2005-05-31
• Trip to tell about — 2003-12-04
• Amazing adventure — 2003-10-19
• Lengthy undertaking — 2002-01-27
• Peregrination — 1996-09-28
• Trip — 1996-07-06