| Kingdom of England | ||
| 1674: | The Irish Regiment Viscount Clare’s │ |
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| 1675: | in Dutch service Regiment Engelsen Clare │ |
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| 1676: | Regiment Engelsen Fenwick │ |
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| 1676: | Regiment Engelsen Wisely │ |
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| 1680: | Regiment Engelsen Monck │ |
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| 1688: | to the English Establishment Thomas Tollemache’s Regiment of Foot │ |
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| 1689: | Edward Lloyd’s │ |
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| 1694: | Thomas Fairfax’s │ |
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| 1704: | Thomas Pearce’s │ |
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| 1707: | Kingdom of Great Britain | |
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| 1732: | Sir John Cope’s │ |
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| 1737: | Alexander Irwin’s │ |
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| 1742: | ranked as 5th Foot │ |
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| 1751: | 5th Regiment of Foot │ |
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| 1782: | 5th (Northumberland) Regiment of Foot │ |
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| 1799: | 2nd Battalion raised │ |
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| 1801: | United Kingdom of Great Britain and Ireland | |
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| 1802: | 2nd Battalion disbanded │ |
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| 1804: | 2nd Battalion raised │ |
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| 1816: | 2nd Battalion disbanded │ |
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| 1836: | 5th (Northumberland) Regiment of Fusiliers │ |
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| 1857: | 2nd Battalion raised │ |
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| The creation of the territorial regiments by the Childers reforms | ||
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| 1881: | 1st Battalion, 2nd Battalion, | |
The Northumberland Fusiliers
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| 1900: | 3rd Battalion and 4th Battalion raised │ |
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| 1907: | 3rd Battalion and 4th Battalion disbanded │ |
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| 1922: | United Kingdom of Great Britain and Northern Ireland | |
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| 1935: | The Royal Northumberland Fusiliers | |
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| 1948: | 2nd Battalion disbanded │ |
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| 1948: |
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| 1958: |
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| 1968: | 1st Battalion, The Royal Regiment of Fusiliers |
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