Queen Victoria replaced him. Salisbury remained prime minister for the remainder of Victoria's reign. On 23 September 1896, Victoria surpassed her grandfather George III as the longest-reigning monarch in British history. The Queen requested that any special celebrations be delayed until 1897, to coincide with her Diamond Jubilee, which was made a festival of the British Empire at the suggestion of the Colonial Secretary, Joseph Chamberlain. The prime ministers of all the self-governing Dominions were invited to London for the festivities. One reason for including the prime ministers of the Dominions and excluding foreign heads of state was to avoid having to
Diamond Jubilee (horse) exported to Argentina. Diamond Jubilee was noted throughout his life for his unpredictable and sometimes violent temperament. Diamond Jubilee was bred by his owner, the Prince of Wales. He was foaled in the year of Queen Victoria's Diamond Jubilee. Diamond Jubilee's sire, St. Simon was an undefeated racehorse who was considered one of the best British runners of the 19th Century. In an outstanding stud career he won nine sires’ championships, having sired ten Classic winners. Perdita, the dam of Diamond Jubilee was a successful racehorse who was bought by the Prince on the advice of John Porter. As a