In 1914
Austria-Hungary Declared War On Serbia
Then . . .
Germany On Russia
Germany On France
Great Britain On Germany
Austria-Hungary On Russia
Serbia On Germany
Montenegro On Austria-Hungary
France On Austria-Hungary
Great Britain On Austria-Hungary
Montenegro On Germany
Japan On Germany
Austria-Hungary On Japan
Austria-Hungary On Belgium
Russia On Turkey
France On Turkey
Great Britain On Turkey
Italy On Austria-Hungary
San Marino On Austria-Hungary
Italy On Turkey
Russia On Bulgaria
Bulgaria On Serbia
Great Britain On Bulgaria
France On Bulgaria
Italy On Bulgaria
Germany On Portugal
Austria-Hungary On Portugal
Italy On Germany
Rumania On Austria
Germany On Rumania
Turkey On Rumania
Bulgaria On Rumania
United States On Germany
Panama On Germany
Cuba On Germany
Greece On Germany
Siam On Germany
Liberia On Germany
China On Germany
Brazil On Germany
United States On Austria-Hungary
And, Finally, Panama On Austria-Hungary

Any Wonder It Was Called A "World War"?
                                                  Author unknown