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 Parliament House and that a street in the parliamentary triangle in Canberra would be renamed "Queen Elizabeth Terrace". Meanwhile, Western Australian Premier Colin Barnett announced on 28 May that a new waterfront development in Perth would be named Elizabeth Quay in the Queen's honour. A detachment of the New South Wales Mounted Police performed at the Diamond Jubilee Pageant held at Windsor Castle in May 2012. At the end of the same month, Prince Charles presented Diamond Jubilee medals to those in the Victoria Cross and George Cross Association, including three Australian Victoria Cross recipients. A special ecumenical service was