Historical clue formulations

• Father, Son and Holy Ghost — 2008-01-10
• Group of three — 2006-07-16
• Father, Son and Holy Ghost — 2002-03-04
• Threefold — 1996-11-16
• Astrological aspect — 1996-03-31
• Group of three — 1996-03-16
• Threefold — 1995-11-25
• Threefold — 1994-07-10