Haemophilia B was referred to "Christmas disease" after the name of the first patient whose condition was examined in detail. Linked evidence HSOC0022584 - British Medical Journal Christmas Disease- a condition previously mistaken for Haemophilia by Rosemary Biggs et al. - 27 Dec 1952 Chronology Information Date: 27 December 1952 Chapter/issue Haemophilia Centres: Policies and Practice