YearrooWhen did World War I begin?
191420th century · 1900s
World War I begins.
After the assassination of Archduke Franz Ferdinand.
1914
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Around the same time
- When did the Titanic sink?1912
- When did Arizona become the 48th state?1912
- When was the first crossword puzzle published?1913
- When did the first Model T roll off a moving assembly line?1913
- When did the US start a federal income tax?1913
- When did the Panama Canal open?1914
- When was the Lusitania sunk by a German submarine?1915
- When did Einstein publish general relativity?1915
Some events played out over months or years, so we use the year they are best known for. Spotted a mistake? Email [email protected].