Historical clue formulations

• Entire essence — 2023-05-19
• Whole essence — 2015-06-21
• Start of an old Army recruiting line — 2011-02-02
• Ultimate aim — 2009-02-11
• Beginning and end — 2001-04-29
• It's everything — 2000-07-07
• Something to everyone — 1999-04-30
• End-all's companion — 1995-02-28