16 Oct 1917
- The keel of submarine R-1 was laid down by Fore River Shipbuilding, Quincy, Massachusetts, United States. ww2dbase [R-1 | CPC]
- Robert Greim achieved his 7th kill over France. ww2dbase [Robert von Greim | CPC]
- The keel of submarine R-5 was laid down at Fore River Shipbuilding in Quincy, Massachusetts, United States. ww2dbase [R-5 | Quincy, Massachusetts | CPC]
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