Sources | World War II by Day

World War II by Day has relied on many sources to create the underlying databases.

U.S. Army Center of Military History: Order of Battle of the United States Army World War II European Theater of Operations.
World War II Unit Histories & Officers: Officer personal details and promotion dates.
Symbol.army: Military graphics.
Library and Archives Canada: Official History of the Canadian Army in the Second World War, Vol III, The Victory Campaign.
Library of Congress: HQ Twelfth Army Group situation map.
Samuel Mitcham's German Order of Battle series.
George Nafziger's various books on Orders of Battle.
ArmyDivs.com: General information and maps.
US Army Center of Military History: Southern France.