Historical clue formulations

• Tax filing status — 2022-08-23
• With 57-Across, ice cream order depicted at 14-Down — 2019-09-04
• Unpaired — 2007-07-09
• Census form check box — 2007-04-05
• TV's "Living ___" — 1997-06-12
• Unhitched? — 1997-02-16