All key facts
Date & EventTestable
WWI started after assassination of Archduke Franz Ferdinand of Austria in 1914
Related questions (1)
easysingle choice
In which years did the First World War take place?
1904–1908
1914–1918
1939–1945
1919–1923
Explanation
World War I took place from 1914 to 1918. 1939–1945 was World War II. The other date ranges are distractors.