The Greek Royal Family and her sister-in-law, Princess Sophie of Greece and Hanover, joined the Queen and members of the British Royal Family at the Royal Windsor Horse Show in Windsor Home Park on this day in 1984, 40 years ago.
The Queen and Prince Edward with King Constantine II of Greece, Crown Prince Pavlos, Princess Alexia and Princess Sophie of Greece and Hanover
The Queen with Queen Anne-Marie of Greece and Princess Sophie of Greece and Hanover
The Queen with King Constantine II of Greece and Princess Sophie
10 years earlier, Queen Margrethe II of Denmark and King Constantine II of Greece joined the Queen and members of the British Royal Family at the Royal Windsor Horse Show in 1974.
The Girls of Great Britain and Ireland Tiara
Vladimir Tiara

Queen Alexandra’s Kokoshnik Tiara
Belgian Sapphire Tiara
Burmese Ruby Tiara
Brazilian Aquamarine Tiara
Queen Mary’s Fringe Tiara
Queen Mary’s Lover’s Knot Tiara