1942 ⟶ German Submarine Sinks Nicoya
German submarine U-553, commanded by Kapitänleutnant Karl Th...Year
1941
1942
🚢 German U-boat Offensive Gains Success
German U-boat offensive in the Atlantic is now increasingly successful.⟶
U-boatsAtlantic OceanNaval WarfareSubmarine WarfareBattle of the AtlanticWar at SeaMerchant Shipping
🚢 German Submarine Sinks US Merchant Ship SS Robin Moor
The US merchantman SS Robin Moor is sunk by German submarine U-69. The incident startles the nation, and President Roosevelt shortly announces an "unlimited national emergency".⟶

United StatesGermanyU-boatMerchant ShipAtlantic OceanNeutralityWar EntryRooseveltSubmarine WarfareSS Robin Moor
🚢 German Submarine Sinks Nicoya
German submarine U-553, commanded by Kapitänleutnant Karl Thurmann, sinks British freighter Nicoya near the mouth of the St. Lawrence River, signalling the opening of the Battle of St. Lawrence.⟶

U-boatBattle of the AtlanticSubmarine WarfareCanadaMerchant ShippingSt. Lawrence River
🚢 German U-boat Sinks SS Caribou
A German U-boat sinks the ferry SS Caribou, killing 137.⟶

U-boatsubmarine warfareAtlantic Oceanconvoycivilian casualtiesnaval warfareGerman Navyship sinking