Historical clue formulations

• Backs — 2022-05-29
• Rears — 2019-05-04
• Backs of ships — 2018-05-01
• Rears of ships — 2017-05-16
• Rear ends — 2014-10-24
• Backs of boats — 2009-07-27
• Rudder locations — 2008-07-20
• Junk ends — 2008-05-08
• Rears — 2006-08-17
• Rudderposts' places — 2005-05-29
• Aft ends — 2005-02-15
• Isaac and Howard — 2003-06-03
• Aftermasts' locations — 2001-12-22
• Rears — 2001-04-29
• Rears — 2001-01-11
• Rears — 2000-05-23
• Rear sections — 1996-04-18
• Backs — 1994-04-13