5922922 Athletic exercises, 1886 (b/w photo) by Unknown photographer, (19th century); National Army Museum, London; (add.info.: Athletic exercises at Delhi Camp of Exercise, 1886. Photograph by Deen Dayal, India, 1886. The Delhi Camp of Exercise was the largest gathering of troops in peacetime India up to that date. Four divisions, comprising 14 cavalry and 36 infantry regiments took part and 37,000 troops and 25,000 followers were involved. The exercise included sports as well as military manoeuvres and lasted a month. From an album of 67 photographs taken by Deen Dayal, Delhi Camp of Exercise, 1886.); by National Army Museum .