May 20, 1910The Nine Sovereigns at Windsor for the funeral of King Edward VII.
The funeral was the largest gathering of European royalty ever to take place, with representatives of 70 states, and the last before many royal families were deposed in the First World War and its aftermath.Standing - from left to right
King Haakon VII of Norway, Tsar Ferdinand of Bulgaria, King Manuel II of Portugal, Kaiser Wilhelm II of the German Empire, King George I of Greece, King Albert I of Belgium.Seated - from left to right
King Alfonso XIII of Spain, King-Emperor George V of the United Kingdom, King Frederick VIII of Denmark.
This is probably the only photograph of nine reigning kings ever taken.