It should be 1914 - 1918 these are the years in which it occurred. If you have seen 1914 - 1919 someone has made an mistake.
1914 - 1919
1914 to 1919.
The world war 1 started 1914 through 1919 World War I actually ended on Nov 11 1918
Started on the 28th July 1914 and ended on the 11th November 1919. When Austria-hungary declared war on Serbia
Among other things, happened the World War I, between 1914-1918
Ernest Renauld has written: '1914-1919' -- subject(s): World War, 1914-1918
Daniel J. Sweeney has written: 'History of Buffalo and Eric County, 1914-1919' -- subject(s): World War, 1914-1918
Arnold Keller has written: 'Das deutsche notgeld 1916-1919' -- subject(s): Economic aspects of World War, 1914-1918, Money, World War, 1914-1918
David H. Mould has written: 'American newsfilm, 1914-1919' -- subject(s): Motion pictures and the war, World War, 1914-1918
1914-1919
1914 - 1919
1914 - 1919
John T. Cushing has written: 'Vermont in the World War, 1917-1919' -- subject(s): World War, 1914-1918, Registers
John Ewing has written: 'The history of the 9th (Scottish) Division, 1914-1919' -- subject(s): Campaigns, Great Britain, Great Britain. Army. Division, 9th, Regimental histories, World War, 1914-1918, World War,1914-1918
1914 to 1919.
1914-1919
Gerda Richards Crosby has written: 'Disarmament and peace in British politics, 1914-1919' -- subject(s): Politics and government, World War, 1914-1918, Peace, Disarmament