Free access will be available to all the collections listed below (for more details, click image) until Sunday 26 April at 23:59 AEST (14:59 Dublin/09:59 NYC).
If you don't already have an account with Ancestry.com.au you'll need to register with your name and email address. You'll then be sent a username and password to access the records.
ANZAC Memorial, 1914-1918
Australia, Imperial Force Burials At Gallipoli, 1915
Australia, WWI Service Records, 1914-1920
British Army WWI Medal Rolls Index Cards, 1914-1920
British Army WWI Pension Records 1914-1920
British Army WWI Service Records, 1914-1920
British Commonwealth War Graves Registers, 1914-1918
Canada, CEF Commonwealth War Graves Registers, 1914-1919
Canada, Ledgers of CEF Officers Transferring to Royal Flying Corps, 1915-1919
Canada, Military Honours and Awards Citation Cards, 1900-1961
Canada, Nominal Rolls and Paylists for the Volunteer Militia, 1857-1922
Canada, Selected Service Records of Soldiers, 1914-1918
Canada, Soldiers of the First World War, 1914-1918
Canada, War Graves Registers (Circumstances of Casualty), 1914-1948
Chronicles of the N.Z.E.F., 1916-1919
England, The National Roll of the Great War, 1914-1918
New Zealand Army Medal Rolls, 1860-1919
New Zealand Army WWI Casualty Lists, 1914-1919
New Zealand Army WWI Nominal Rolls, 1914-1918
New Zealand Army WWI Reserve Rolls, 1916-1917
New Zealand Army WWI Roll of Honour, 1914-1919
New Zealand Expeditionary Force Record of Personal Service, 1914-1918
New Zealand WWI Military Defaulters, 1919-1921
UK, British Prisoners of War, 1939-1945
UK, Citations of the Distinguished Conduct Medal, 1914-1920
UK, Commonwealth War Graves, 1914-1921 and 1939-1947
UK, Military Campaign Medal and Award Rolls, 1793-1949
UK, Naval Medal and Award Rolls, 1793-1972
UK, Navy Lists, 1888-1970
UK, Silver War Badge Records, 1914-1920
UK, WWI War Diaries (France, Belgium and Germany), 1914-1920
UK, WWI War Diaries (Gallipoli and Dardanelles), 1914-1916
