| 1866: | 48th “Lennox and Addington” Battalion of Infantry │ |
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| 1880: | disbanded |
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| 1891: | 48th Battalion “Highlanders” │ |
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| 1900: | 48th Regiment “Highlanders” |
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| 1904: |  │ |
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| 1920: | 1st Battalion (15th Battalion, CEF), |
2nd Battalion (92nd Battalion, CEF), |
3rd Battalion (134th Battalion, CEF), |
| The 48th Regiment (Highlanders) |
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| [Non Permanent Active Militia] │ |
[Reserve] │ |
[Reserve] │ |
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| 1930: | 48th Highlanders of Canada | ||
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| 1936: | 48th Highlanders of Canada | disbanded | disbanded |
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| 1940: | 2nd (Reserve) Battalion, | 1st Battalion, | |
| 48th Highlanders of Canada | |||
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[Canadian Active Service Force] │ |
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| 1945: | │ │ │ │ │ |
│ │ │ │ │ |
3rd Battalion, (48th Highlanders of Canada), 1st Canadian Infantry Regiment [Canadian Army Pacific Force] │ |
| 1945: | 48th Highlanders of Canada │ |
disbanded | disbanded |
| 1948: |  │ |
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| Overseas battalions of the Canadian Expeditionary Force perpetuated by 48th Highlanders of Canada |
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| 15th Canadian Battalion (48th Highlanders of Canada) |
92nd Battalion (48th Highlanders) |
134th Battalion (48th Highlanders) |
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