Historical clue formulations

• Time spent on land, maybe — 2022-11-18
• Stay off the water? — 2016-07-09
• Ebb tide? — 2014-11-26
• What many crewmen carouse on — 2012-03-09
• Land grant, of a sort — 2010-03-19
• Time off, to a sailor — 2009-06-02
• Liberty — 2007-07-08
• "On the Town" theme — 1997-03-29