This article introduces the concept of evidence-based planning in the context of its appearance in the UK at the end of the 20th Century and traces its historical relationship to the practice of collecting information for state and public purposes from Roman taxation and the famous Domesday Book to the movements and countermovements of the last century to its present role in politics and policy-making in the field of spatial planning. Delving into the connections between evidence and decision-making, evidence and action, the use and role of research, creativity, and social context as elements ...