At 12.25 PM off Cape St. Vincent, Portugal, British destroyer HMS Encounter mistakes HMS Utmost for an enemy submarine and rams her. HMS Utmost reaches Gibraltar tomorrow and will be taken to Malta for repairs, completed in February 1941. HMS Encounter will require repairs at Gibraltar until November 23.
Comandante Faà Di Bruno, the first Italian submarine operating in the North Atlantic, shells British steamer Melrose Abbey 200 miles Northwest of Ireland. Canadian destroyer HMCS Ottawa and British destroyer HMS Harvester force the submarine to dive with shellfire and then sink her with depth charges (all 57 hands lost).
Minesweeping whaler HMS Sevra hits a mine and sinks off Falmouth, Southwest England (no casualties).
In Greece, Greek 2nd Army Corps starts pushing Italian Julia Division out of the Pindus Mountains while, further West, Italian forces continue to batter fruitlessly against the Greek defenses on the Kalamas River.