Unknown Date
- UB-21 ( United Kingdom): The Type UB II submarine foundered off the coast of England whilst under tow to be scrapped.
- Varyag ( United Kingdom): The protected cruiser ran aground at Lendalfoot, Ayrshire whilst under tow to be scrapped. She sank in 1925.
Read more about this topic: List Of Shipwrecks In 1920
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