HMS M21
From Warlike
Q5633227
HMS M21 was a First World War Royal Navy M15-class monitor. After service in the Mediterranean and the Dover Patrol, she struck a mine off Ostend in January 1918 and sank off Dover.
HMS M21 was a First World War Royal Navy M15-class monitor. After service in the Mediterranean and the Dover Patrol, she struck a mine off Ostend in January 1918 and sank off Dover.
| Type | Subtype | Date | Description | Notes | Source |
|---|---|---|---|---|---|
| link | page | Dreadnought Project page@ | Wikidata | ||
