World War I (0 h 8 m, 1 ago 1914 ano – 6 h 39 m, 11 nov 1918 ano)
Descrição:
Germany, Austria-Hungary, Bulgaria and the Ottoman Empire (the Central Powers) fought against Great Britain, France, Russia, Italy, Romania, Japan and the United States (the Allied Powers)
Adicionado na linha do tempo:
Data:
0 h 8 m, 1 ago 1914 ano
6 h 39 m, 11 nov 1918 ano
~ 4 years and 3 months