Historical clue formulations

• One of eight Eng. kings — 2014-07-20
• Part of P.E.I.: Abbr. — 2009-12-29
• One of eight Eng. kings — 2008-09-23
• One of eight Eng. kings — 2008-07-23
• One of eight English kings: Abbr. — 2006-02-14
• One of eight Eng. kings — 2002-12-24
• One of eight Eng. kings — 1999-02-07
• Relative of Geo. or Chas. — 1994-07-28