1939 ⟶ Admiralty Orders Adoption of Convoy System
As a protection against U-boats, the Admiralty orders the ad...Year
1939
1940
1942
1943
🚢 First Eastbound Transatlantic Convoy Sails
The first eastbound transatlantic convoy sets sail from Halifax, Canada, towards Liverpool, UK. 357 such HX convoys will follow.⟶

UKCanadaAtlanticConvoyShippingWar EffortLogistics
🚢 HMS Barham Damaged by U-Boat
While patrolling the Butt of Lewis the British battleship HMS Barham is damaged by the German U-30 and put out of service for four months.⟶

UKNavyU-boatsAtlanticWar at SeaMilitary
🚢 Heavy Convoy Losses Due to U-boats
Very heavy convoy losses during this period as numbers of U-boats increase.⟶
U-boatsAtlanticconvoynaval warfareGermanyUKsupply linesBattle of the Atlantic
⚓ Continued Convoy Losses in the Atlantic
Continued convoy losses in the Atlantic.⟶
AtlanticU-boatConvoyUKUSGermanyWarNaval Warfare
✈️ Allies Attempt to Close Mid-Atlantic Gap
Allies attempt to close the mid-Atlantic gap in the war against the U-boats with long-range bombers.⟶
AtlanticU-boatsBombersWarfareNavalUKAlliesAnti-SubmarineAir Force