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 of Elizabeth II II and her husband the Duke of Edinburgh, toured only the United Kingdom. Other parts of the Commonwealth were toured by her children and grandchildren as her representatives. At the 2011 Commonwealth Heads of Government Meeting in Perth, Australia, British Prime Minister David Cameron announced the creation of the Queen Elizabeth Diamond Jubilee Trust, which was officially launched in the UK on 6 February 2012. Chaired by former British prime minister Sir John Major, the trust was intended to support charitable organisations and projects across the Commonwealth of Nations, focusing on areas such as cures for diseases and the promotion