Historical clue formulations

• "To ___ human …" — 2005-06-19
• "To ___ human ..." — 2004-04-02
• "To ___ human" — 2001-11-18
• Words before "human" — 2000-08-26
• "To _____ human" — 1995-03-17
• "To _____ human" — 1994-01-19