After Queen Victoria's consort Prince Albert had died suddenly in 1861, there had been no official celebration of the Queen's Birthday with all of its ceremony. This year many of the celebrations returned, if still somewhat muted, including the traditional "Trooping of the Colour" by the royal household troops held in Whitehall. Queen Victoria would continue her self imposed mourning, however, for many more years. (By John Osborne)
Source Citation
Chronicle, The Annual Register or a View of the History and Politics of the Year 1865 (London: F. & J. Rivington, 1865), 74-75.