The First World War was a global conflict lasting from 1914 to 1918.
The First World War may also refer to:
The First World War (TV series), a 2003 documentary series The First World War (wargame), a 1977 board wargame The First World War, a 1960 military history book by Cyril Falls
See also WWI (disambiguation) World War One (disambiguation) The Second World War (disambiguation) World War III (disambiguation)