Fig 3. Matrix Showing the natal and progressed planetary positions of Prince Charles and Diana, Princess of Wales for the years 1981, 1986 and 1992. The progressing Sun trine to progressing Venus is applying in 1981, becoming exact late 1986, early 1987 and is separating in 1992.

A short-lived natal Venus (E6)- progressed Venus (D6) trine is in orb in 1981. A destructive square develops between Charles' natal Mars (I7) and Diana's progressing Venus (H6) which is exact about 1985 and a further, more methodological difference develops between his natal Mars (M7) and her progressing Venus (L6) in 1992.