Historical clue formulations

• ___ bank — 2021-04-03
• Certain bank deposit — 2018-08-25
• ___ whale — 2014-03-13
• ___ cell — 2012-10-20
• ___ whale — 2009-03-31
• Kind of bank — 2008-11-13
• Kind of whale — 2008-10-16
• Uniters with 80-Across — 2008-01-06
• Kind of bank — 2007-03-31
• ___ whale — 2006-06-16
• Kind of whale — 2000-05-17
• Kind of whale — 1999-12-19
• Kind of whale — 1999-05-09
• ___ whale — 1999-03-29
• Kind of whale — 1996-10-09