Historical biography archive · Updated 2026-11-03

Karl Doenitz Biography and Timeline

Follow Karl Doenitz through 38 dated historical records for Germany.

Karl Doenitz, historical timeline

A chronological timeline drawn from matching World History Database records.

38Distinct records
1 of 1Page
1891–1980Years on this page

1891

Birth of Karl Doenitz

Berlin · Warfare / Military

Birth of Karl Doenitz

1910

Education

Warfare / Military

Enters the Imperial Navy

1914

Lieutenant

Lieutenant · Warfare / Military

Appointed Lieutenant on the Breslau

1935

Captain

Captain · Warfare / Military

Appointed Commander of the Weddigen, a U-boat

1936

Commander of FdU

Commander of FdU · Warfare / Military

Appointed Fuhrer der Unterseeboote

1939

Befehlshaber der Unterseeboote

Commander of BdU · Warfare / Military

Appointed Befehlshaber der Unterseeboote, Admiral

1940

Battle of Britain

Grand Admiral · Warfare / World War, 2nd

Believes air superiority was "not enough". Donitz later stated, "we possessed neither control of the air or the sea; nor were we in any position to gain it"

Role range: 1939-1945

Invasion of Great Britain

Grand Admiral · Warfare / World War, 2nd

Believes air superiority was "not enough". Donitz later stated, "we possessed neither control of the air or the sea; nor were we in any position to gain it"

Role range: 1939-1945

Operation Sea Lion

Grand Admiral · Warfare / World War, 2nd

Believes air superiority was "not enough". Donitz later stated, "we possessed neither control of the air or the sea; nor were we in any position to gain it"

Role range: 1939-1945

1943

Commander in Chief

Commander in Chief · Warfare / Military

Appointed Commander of the German Navy, directs the U-boat offensive

Commander in Chief

Commander in Chief · Warfare / World War, 2nd

Appointed Commander of the German Navy, directs the U-boat offensive

Role range: 1939-1945 – 1943-1945

Battle of Convoy ONS5

Commander in Chief · Warfare / World War, 2nd

Twelve ships are sunk with the loss of two U-boats

Role range: 1939-1945 – 1943-1945

Battle of Atlantic

Commander in Chief · Warfare / World War, 2nd

Doenitz withdraws the U-boats from the North Atlantic

Role range: 1939-1945 – 1943-1945

Battle of Convoy HX229

Commander in Chief · Warfare / World War, 2nd

March 15-March 19, 37 U-boats chase 98 merchant ships sinking 21 & losing 1 U-boat

Role range: 1939-1945 – 1943-1945

Battle of Atlantic

Commander in Chief · Warfare / World War, 2nd

Redeploys the U-Boats to attack more Eastbound convoys. During the 1st 3 weeks of May 31 U-boats are sunk, a reversal in the North Atlantic

Role range: 1939-1945 – 1943-1945

Sinking of U-954 - Dönitz Family Loss

Commander in Chief · Warfare / World War, 2nd

U-954 was sunk with all hands on 19 May 1943 while operating against convoy SC 130; Karl Dönitz's son Peter was among those killed.

Role range: 1939-1945 – 1943-1945

Sinking of U-954

Commander in Chief · Warfare / World War, 2nd

During the 1st 3 weeks of May 31 U-boats are sunk, a reversal in the North Atlantic

Role range: 1939-1945 – 1943-1945

1945

Flensburg Government

President of Germany · Flensburg · Government / Government of Germany

Doenitz forms what becomes known as the Flensburg Government, which controlled only a tiny area of Germany near the Danish border, including the town of Flensburg

Role range: 1945-1945

Government

President of Germany · Government / Government of Germany

Forms a new Cabinet & orders an unconditional surrender

Role range: 1945-1945

President of Germany

President of Germany · Government / Government of Germany

Doenitz forms what becomes known as the Flensburg Government, which controlled only a tiny area of Germany near the Danish border, including the town of Flensburg

Role range: 1945-1945

President of Germany

President of Germany · Government / Government of Germany

Appointed President of the Reich & Hitler's successor, on the day of Hitler's death

President of Germany

President of Germany · Warfare / World War, 2nd

Appointed President of the Reich & Hitler's successor, on the day of Hitler's death

Role range: 1939-1945 – 1945-1945

Constitution of Germany

President of Germany · Government / Government of Germany

In Hitler's 1945 political testament he appoints Admiral Karl Doenitz to succeed him, but he names Doenitz as President, not Fuhrer, thereby re-establishing a constitutional office which had lain dormant since Hindenburgs death in 1934

President of Germany

President of Germany · Government / Government of Germany

In Hitler's 1945 political testament he appoints Admiral Karl Doenitz to succeed him, but he names Doenitz as President, not Fuhrer, thereby re-establishing a constitutional office which had lain dormant since Hindenburgs death in 1934

Result of Surrender of Berlin

Grand Admiral · Berlin · Warfare / World War, 2nd

Berlin passes into Soviet control after the city's defenders capitulate.

Role range: 1939-1945

Surrender of Berlin

Grand Admiral · Berlin · Warfare / World War, 2nd

Berlin surrenders to the Soviet Army

Role range: 1939-1945

Result of Surrender of German Armed Forces

Admiral · Warfare / World War, 2nd

All German armed forces are ordered to cease resistance to the Allies.

Role range: 1939-1945 – 1945-1945

Surrender of German Armed Forces

Admiral · Warfare / World War, 2nd

Unconditional surrender of all German forces to the Allies

Role range: 1939-1945 – 1945-1945

Result of Surrender of German Armed Forces

Commander in Chief · Rheims · Warfare / World War, 2nd

Dönitz authorises the general surrender of German forces, ending further organised national resistance.

Role range: 1939-1945 – 1943-1945

Surrender of German Armed Forces

Commander in Chief · Rheims · Warfare / World War, 2nd

Authorizes unconditional surrender of all German fighting forces

Role range: 1939-1945 – 1943-1945

Flensburg Government

President of Germany · Flensburg · Government / Government of Germany

Dissolved by the Allies

Role range: 1945-1945

Berlin Declaration

Berlin · Government / Government of Germany

The Allied Berlin Declaration abolishes all the institutions of German civil Government, and establishes that the constitution no longer holds any legal force

Constitution of Germany

Berlin · Government / Government of Germany

The Allied Berlin Declaration abolishes all the institutions of German civil Government, and establishes that the constitution no longer holds any legal force

Indictment Served at Nuremberg

Nuremberg · Warfare / World War, 2nd

The International Military Tribunal served the indictment, Charter and notice of rights on him at Nuremberg.

Role range: 1939-1945

Not Guilty Plea at Nuremberg

Nuremberg · Warfare / World War, 2nd

He entered a plea of not guilty before the International Military Tribunal.

Role range: 1939-1945

1946

IMT Verdict for Karl Doenitz

Grand Admiral · IMT Defendant · Nuremberg · Warfare / World War, 2nd

Doenitz is convicted on selected counts and sentenced to ten years imprisonment for his wartime leadership and participation in aggressive war.

Role range: 1939-1945

1956

Arrest of Karl Doenitz

Warfare / World War, 2nd

Doenitz is released from prison

Role range: 1939-1945

1980

Death of Karl Doenitz

Hamburg · Warfare / Military

Death of Karl Doenitz

Records, sources and methodology

These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.