HMS R4

1918 R-class submarine. 

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Wikidata
1919 attack submarine, Chatham Dockyard, R-class submarine, Royal Navy, United Kingdom, 

• Dreadnought Project entry^@
• Freebase entry^@
  

Chatham Dockyard – R-class submarine – 

1917-03-04T00:00:00Z

keel laying 1917

1919-08-23T00:00:00Z

ship commissioning 1919

1918-06-08T00:00:00Z

ship launching 1918

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Frameless

Type	Date	Description	Keywords	Notes	Source
link		Dreadnought Project entry@			Wikidata
link		Freebase entry@			Wikidata
incident	1917	keel laying			Wikidata
incident	1919	ship commissioning			Wikidata
incident	1918	ship launching			Wikidata

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