Historical clue formulations

• Prison at sea — 2019-12-03
• Water cooler? — 2019-01-09
• Two-masted vessel — 2018-11-25
• Clink on the drink — 2018-10-22
• Water cooler? — 2018-07-15
• Jolly Roger, in "Peter Pan" — 2017-03-26
• Two-masted vessel — 2017-02-28
• Naval jail — 2016-11-13
• Jolly Roger in "Peter Pan," e.g. — 2014-06-15
• Two-master — 2013-12-27
• Naval lockup — 2009-09-20
• Clink, at sea — 2004-08-29
• Punishment for a sailor, maybe — 2002-10-31
• Ship lockup — 2002-05-28
• Kind of gen. — 1999-06-09
• Jail for a sailor — 1999-05-11
• Sailor's stir — 1999-03-24
• Ship's prison — 1996-07-08
• Nancy, in a Sir William Gilbert song — 1996-01-28
• Lockup — 1994-08-01