Historical clue formulations

• 1,006, in old Rome — 2011-03-22
• Year in Robert II's reign — 2000-01-22
• Year in Ethelred the Unready's reign — 1999-06-25
• Year in Henry II's reign — 1999-04-02
• The year 1006 — 1995-07-26
• 11th-century date — 1994-08-09