| 1870: | 72nd, or Second Annapolis Battalion of Volunteer Militia │ |
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| 1898: | merged into 69th “Annapolis” Battalion Infantry |
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| 1910: | 72nd Highlanders of Canada │ |
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| 1912: | 72nd Seaforth Highlanders of Canada │ |
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| 1912: | 72nd Regiment “Seaforth Highlanders of Canada” │ |
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| 1920: | 1st Battalion (72nd Battalion, CEF), |
2nd Battalion (231st Battalion, CEF), |
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| The Seaforth Highlanders of Canada | |||
| [Non Permanent Active Militia] | [Reserve] | ||
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| 1936: | The Seaforth Highlanders of Canada │ |
disbanded | |
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| 1940: | 2nd (Reserve) Battalion, | 1st Battalion, | |
| The Seaforth Highlanders of Canada | |||
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[Canadian Active Service Force] │ |
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| 1945: | │ │ │ │ │ │ |
│ │ │ │ │ │ |
2nd Battalion (The Seaforth Highlanders of Canada), 3rd Canadian Infantry Regiment [Canadian Army Pacific Force] │ |
| 1945: | The Seaforth Highlanders of Canada │ |
disbanded | disbanded |
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| Overseas battalions of the Canadian Expeditionary Force perpetuated by The Seaforth Highlanders of Canada |
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| 72nd Battalion (Seaforth Highlanders of Canada) |
231st Battalion (Seaforth Highlanders of Canada) |
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