HMS M4

HMS M4 was an M-class submarine of the Royal Navy built by Armstrong Whitworth, Newcastle Upon Tyne, and laid down in 1917. M4 was cancelled and sold as an incomplete hulk on 30 November 1921.

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1919  Wikidata
M-class submarine, submarine, Armstrong Whitworth, Royal Navy, United Kingdom of Great Britain and Ireland, 

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Location: KML, Cluster Map, Maps,

1919-01-01T00:00:00Z

1919-01-01T00:00:00Z

1919 HMS M4

1914-07-28T00:00:00Z

1914-07-28T00:00:00Z

World War I

1917-01-01T00:00:00Z

1917-01-01T00:00:00Z

keel laying

1919-07-02T00:00:00Z

1919-07-02T00:00:00Z

ship launching

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Frameless

Type	Subtype	Date	Description	Notes	Source