Military Service Act of 1917

E222998

Canadian federal statute conscription law

The Military Service Act of 1917 was a Canadian federal law that introduced compulsory military service during World War I, triggering intense political and social conflict across the country.

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All labels observed (4)

Label	Occurrences
Military Service Act, 1917	3
Loi du service militaire de 1917	1
Military Service Act (1917)	1
Military Service Act of 1917 canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T1986726 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Military Service Act of 1917
Context triple: [Conscription Crisis of 1917, legalInstrument, Military Service Act of 1917]

A. National Defense Act of 1916
The National Defense Act of 1916 was a landmark U.S. law that expanded and reorganized the nation’s military forces, particularly formalizing the role of the National Guard as a key component of the Army.
B. Selective Training and Service Act of 1940
The Selective Training and Service Act of 1940 was a U.S. federal law that established the first peacetime military draft in American history, creating the framework for conscription during World War II.
C. Jones–Shafroth Act of 1917
The Jones–Shafroth Act of 1917 was a U.S. federal law that restructured the government of Puerto Rico and collectively granted U.S. citizenship to its residents.
D. Militia Act of 1903
The Militia Act of 1903 was a U.S. federal law that reorganized state militias into the modern National Guard system and formally integrated them into the nation’s military structure.
E. Militia Act of 1908
The Militia Act of 1908 was a U.S. federal law that strengthened and formalized the National Guard as the nation’s primary organized reserve force, further integrating it into the regular Army structure.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Military Service Act of 1917
Target entity description: The Military Service Act of 1917 was a Canadian federal law that introduced compulsory military service during World War I, triggering intense political and social conflict across the country.

A. National Defense Act of 1916
The National Defense Act of 1916 was a landmark U.S. law that expanded and reorganized the nation’s military forces, particularly formalizing the role of the National Guard as a key component of the Army.
B. Selective Training and Service Act of 1940
The Selective Training and Service Act of 1940 was a U.S. federal law that established the first peacetime military draft in American history, creating the framework for conscription during World War II.
C. Jones–Shafroth Act of 1917
The Jones–Shafroth Act of 1917 was a U.S. federal law that restructured the government of Puerto Rico and collectively granted U.S. citizenship to its residents.
D. Militia Act of 1903
The Militia Act of 1903 was a U.S. federal law that reorganized state militias into the modern National Guard system and formally integrated them into the nation’s military structure.
E. Militia Act of 1908
The Militia Act of 1908 was a U.S. federal law that strengthened and formalized the National Guard as the nation’s primary organized reserve force, further integrating it into the regular Army structure.
F. None of above. chosen

Statements (46)

Predicate	Object
instanceOf	Canadian federal statute ⓘ conscription law ⓘ
alsoKnownAs	Loi du service militaire de 1917 ⓘ linked to: Military Service Act of 1917
appliedTo	male British subjects in Canada of specified ages ⓘ
appliesTo	Dominion of Canada ⓘ
cameIntoForceDuring	World War I ⓘ
country	Canada ⓘ
datePassed	1917-07-24 ⓘ
effect	contributed to long-term alienation in Quebec ⓘ deepened linguistic and regional divisions in Canada ⓘ strengthened federal control over manpower for the war effort ⓘ
governs	compulsory enlistment for Canadian Expeditionary Force ⓘ
historicalPeriod	Canadian home front during World War I ⓘ
historicalSignificance	key event in shaping modern Canadian federal–provincial and linguistic relations ⓘ
implementedBy	Department of Militia and Defence ⓘ military service registration and tribunals ⓘ
includedProvision	appeal tribunals for exemption claims ⓘ conscientious objector exemptions under limited conditions ⓘ exemptions for certain occupations ⓘ medical exemptions ⓘ
jurisdiction	federal ⓘ
languageOfTitle	English ⓘ French ⓘ
legalStatus	repealed ⓘ
legislativeBody	Parliament of Canada ⓘ
opposedBy	Henri Bourassa and other Quebec nationalists ⓘ many French Canadians ⓘ
partOf	Canadian war legislation during World War I ⓘ
politicalContext	Conscription Crisis of 1917 ⓘ World War I home front in Canada ⓘ linked to: Canadian home front during World War I
primeMinisterAtEnactment	Robert Laird Borden ⓘ
purpose	to introduce compulsory military service in Canada during World War I ⓘ
relatedTo	Military Voters Act, 1917 ⓘ War Measures Act ⓘ Wartime Elections Act, 1917 ⓘ linked to: Wartime Elections Act
requiredService	overseas military service ⓘ
shortDescription	Canadian law that imposed conscription for overseas military service in World War I ⓘ
sponsoredBy	Robert Borden government ⓘ
subjectOf	Canadian constitutional and civil liberties debates ⓘ historiography on Canadian nationalism ⓘ
supportedBy	Unionist government ⓘ linked to: Unionist Party many English Canadians ⓘ
triggered	Conscription Crisis of 1917 ⓘ major political conflict in Canada ⓘ widespread social unrest in Canada ⓘ
yearEnacted	1917 ⓘ

How these facts were elicited