Timeline of the Battle of the Atlantic


This is a timeline for the Battle of the Atlantic in World War II.

1939

August

August 19, 1939
August 21, 1939
August 24, 1939

September

September 3, 1939
September 5, 1939
September 7, 1939
September 14, 1939
September 16, 1939
September 17, 1939
September 17, 1939
September 20, 1939
September 26, 1939
September 30, 1939

October

October 5, 1939
October 14, 1939
October 16, 1939
October 18, 1939
October 27, 1939
October 30, 1939

November

November 21, 1939
November 23, 1939
November 25, 1939

December

December 4, 1939
December 5, 1939
December 9, 1939
December 10, 1939
December 14, 1939

1940

January

January 30, 1940

February

February 5, 1940
February 14, 1940

March

March 16, 1940

April

April 9, 1940

June

June 8, 1940
June 12, 1940
June 14, 1940
June 22, 1940
June 25, 1940
June 30, 1940

July

July 2, 1940
July 4, 1940
July 8, 1940
July 10, 1940
July 17, 1940
July 26, 1940
July 28, 1940
July 31, 1940

August

August 4, 1940
August 5, 1940
August 15, 1940
August 16, 1940
August 23, 1940
August 24, 1940
August 25, 1940
August 28, 1940
August 30, 1940
August 31, 1940

September

September 2, 1940
September 4, 1940
September 6, 1940
September 8, 1940
September 15, 1940
September 17, 1940
September 18, 1940
September 20, 1940
September 21, 1940
September 26, 1940
September 27, 1940
September 28, 1940

October

October 9, 1940
October 11, 1940
October 14, 1940
October 15, 1940
October 17, 1940
October 18, 1940
October 19, 1940
October 22, 1940

November

November 5, 1940
November 6, 1940
November 15, 1940
November 21, 1940
November 22, 1940
November 23, 1940

December

December 1, 1940
December 5, 1940
December 11, 1940
December 24, 1940
December 27, 1940

1941

January

January 16, 1941
January 22, 1941
January 29, 1941

February

February 12, 1941
February 19, 1941
February 24, 1941
February 26, 1941
February 27, 1941

March

March 1, 1941
March 7, 1941
March 8, 1941
March 13, 1941
March 16, 1941
March 17, 1941
March 19, 1941
March 22, 1941
March 29, 1941

April

April 1, 1941
April 3, 1941
April 4, 1941
April 6, 1941
April 9, 1941
April 16, 1941
April 28, 1941

May

May 8, 1941
May 11, 1941
May 14, 1941
May 20, 1941
May 21 or 22, 1941
May 24, 1941
May 27, 1941.

June

June 1, 1941
June 11, 1941
June 13, 1941
June 24, 1941
June 26, 1941

July

July 7, 1941

August

August 5, 1941
August 21, 1941

September

September 10, 1941
September 15, 1941
September 19, 1941
September 22, 1941

October

October 16, 1941
October 21, 1941
October 31, 1941

November

November 3, 1941
November 22, 1941

December

December 10, 1941

1942

January

January 12, 1942
January 30, 1942

February

February 10, 1942
February 15, 1942
February 16, 1942

March

March 20, 1942
March 28, 1942

April

April 30, 1942

May

May 12, 1942
May 18–22, 1942

June

June 10, 1942

July

July 4, 1942
July 5, 1942
July 6, 1942

August

August 8, 1942
August 15, 1942
August 16, 1942
August 17, 1942
August 19, 1942
August 22, 1942
August 28, 1942
August 31, 1942

September

September 9, 1942
USS Muskeget, a Coast Guard weather ship, is torpedoed near Weather Station #2, Lat. 54o N, Long 44o 30'W by U-755. 121 Officers and crew lost, including one Public Health Service officer and four weathermen, no survivors.
September 12, 1942
September 14, 1942
September 20, 1942
September 22, 1942

October

October 4, 1942
October 13, 1942
October 14, 1942
October 24, 1942
October 25, 1942
October 27, 1942

November

November 2, 1942
November 18, 1942

December

December 8, 1942
December 31, 1942

1943

January

January 3, 1943
January 8, 1943
January 13, 1943
January 17, 1943
January 26, 1943

February

February 2, 1943
February 7, 1943
February 15, 1943

March

March 7, 1943
March 10, 1943
March 16, 1943
March 28, 1943

April

April 4, 1943
April 12, 1943
April 17, 1943
April 22, 1943

May

May 6, 1943
May 7, 1943
May 11, 1943

July

July 31, 1943

September

September 8, 1943

October

October 9, 1943
October 22, 1943
October 31, 1943

December

December 26, 1943

1944

April

April 6, 1944

July

July 20, 1944

August

August 3, 1944

September

September 8, 1944

1945

January

January 27, 1945

March

March 2, 1945

April

April 18, 1945

Month-by-month summaries

1939

SeptemberOctoberNovemberDecember
Total Allied losses to mines during 1939 are 79 vessels totaling 262,700 tons.

1940

JanuaryFebruaryMarch
  • '''October'''

1941

  • '''June'''

1943

MarchAprilMayJuneJuly
  • '''August'''