The Greber Plan, or General Report on the Plan for the National Capital (1946–1950), was an urban plan developed in 1950 by Jacques Gréber for the Federal District Commission of Ottawa, Ontario, Canada.Its main components were: planning the region as an integrated system making the Capital symbolize the whole country relocating the rails from central Ottawa improving transportation decentralizing government offices creating a scenic parkway system and restoring shorelines creating the National Capital Greenbelt expanding Gatineau Park (formed in 1938)A memorial tree and plaque unveiled on 5 May 1995 is dedicated to Canadians killed in Second World War: "The MacKenzie King Government dedicated the planning of the National Capital to the memory of Canadians who gave their lives to the Nation in the Second World War.