World War I, or the First World War, also known as The Great War, was a global conflict between two coalitions: the Allies and the Central Powers. Major areas of conflict included Europe and the Middle East, as well as parts of Africa and the Asia-Pacific. The war saw important developments in weaponry including tanks, aircraft, artillery, machine guns, and chemical weapons. One of the deadliest conflicts in history, it resulted in an estimated 15 to 22 million military and civilian casualties and genocide. The movement of large numbers of people was a major factor in the deadly Spanish flu pandemic.
World War I: The Selective Service Act of 1917 is passed, giving the President of the United States the power of conscription.
On May 18, in the year 1917, World War I: The Selective Service Act of 1917 is passed, giving the President of the United States the power of conscription. This event is recorded as a Historical Events event in the history of May 18, one of 419 recorded events on this date across all of history.
Key Facts
- This event took place on May 18, 1917 (AD era).
- It is categorised as a Historical Events event in recorded history.
- Referenced in 4 Wikipedia articles.
- Wikipedia source last updated on 13 May 2026.
On This Date in History 419
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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