From volunteer first‑aid classes to national disaster response, The White Cross in Canada traces the development of St. John Ambulance from its earliest Canadian roots through a century of service. G. W. L. Nicholson chronicles the organization’s people, programs, and pivotal moments—training initiatives, wartime contributions, public‑health campaigns, and the evolution of volunteerism that sustained communities across the country. Illustrated with archival photographs and supported by appendices of dates and milestones, this history offers both a narrative of institutional achievement and a practical reference for anyone interested in the civic traditions of care that shaped modern Canadian emergency and community health services.