Quick Facts, Battle Of Atlantic WWII.

Battle Of Atlantic And WWII stared On August 3 1939. On same day the British Passenger Liner SS Athenia Was Torpedoed by a German Uboat.

At Start War England Outnumber German Navy by Almost 10-1.
Germany Had 57 Uboats in service By War Start.

Between The Years 1939-1945 About 45,000 Allied Merchant men, sailors, soldiers Were killed in the Atlantic.
Out Of the 40,000 German Uboat Sailors 28,000 Were Killed at sea.

In First 6 Months Of War German Uboats sank 701 Ships.

British Were almost defeated in First Year of the War by German Uboats.

July 21, 1940 Germany conquered France, and German Uboats started Operating out of French Ports.

To Help Fight the Uboats the Allied started the Convoy System. Large groups of Merchant ships would cross Atlantic with Destroyer Escort.

Between 1939-1945 German Uboats sank 2,781 Allied Merchant Ships, 192 Warships.
Of the 1,159 Uboats Made By Germany 781 Were sunk.

Most My Info was Gathered from The History Net.