Historical clue formulations

• ___ Ark — 2023-02-02
• ___ ark — 2020-10-25
• ___ ark — 2020-05-05
• ___ Ark — 2012-06-28
• Wyle and Webster — 2011-07-24
• ___ ark — 2010-03-28
• ___ Dove (the constellation Columba) — 2008-07-12
• Webster and Wyle — 2007-09-23
• ___ Ark — 2007-07-25
• ___ Ark — 2006-03-26
• ___ Dove (constellation near Canis Major) — 2003-10-04
• Whose ark? — 2000-07-23
• _____ ark — 1995-12-03