Library > History & Government > War & Conflicts > World War I

World War One

2001
It was for the first time in human history that a total war was fought at such a large-scale and destructive which involved 31 nations and caused about 40 million casualties. --The First World War broke out in 1914. However, the underlying causes leading to the war dated back to the late 19th century. The causes were complicated and inter-related . No single cause alone could contribute to this war. Visit this site to learn more.