Historical clue formulations

• Anne Sexton's palindrome-inspired poem "Rats Live ___ Evil Star" — 2016-05-21
• ___ occasion (never) — 2010-03-02
• ___ account (never) — 2008-12-02
• ___ account (never) — 2007-06-20
• ___ account (never) — 2003-11-12
• ___ account — 2002-09-20
• ___ account (never) — 1999-12-01
• _____ account (absolutely not) — 1994-03-06