Historical clue formulations

• Located, to a builder — 2022-11-06
• Positioned — 2018-04-22
• Positioned — 2010-10-23
• Put in place — 2008-04-21
• Placed — 2007-01-05
• In place — 2006-06-09
• Put — 2003-07-05
• Set — 2002-08-09
• Positioned, as artillery — 2001-07-22
• Located — 1997-12-30
• In place — 1995-12-05
• Located — 1995-10-16
• Located — 1995-10-02
• Located — 1994-07-27
• Located — 1994-04-02