Historical biography archive · Updated 2026-11-03

Trafford Leigh-Mallory Biography and Timeline

Follow Trafford Leigh-Mallory through 40 dated historical records for Great Britain.

Trafford Leigh-Mallory, historical timeline

A chronological timeline drawn from matching World History Database records.

40Distinct records
1 of 1Page
1892–1944Years on this page

1892

Birth of Leigh-Mallory Trafford

Warfare / Military

Birth of Leigh-Mallory Trafford

1914

Education

Warfare / Military

Passes his Bachelor of Law degree and had applied to the Inner Temple in London to become a barrister when, in 1914, war broke out

1916

Royal Flying Corps

Warfare / World War, 1st

Joins the Royal Flying Corps in January 1916 and is accepted for pilot training

Role range: 1914-1918

Battle of the Somme, 1st

Lieutenant · Royal Flying Corps Pilot · Somme · Warfare / World War, 1st

Posted to No. 7 Squadron and flies bombing, reconnaissance and photographic missions over the Somme front.

Role range: 1914-1918

1917

Battle of Cambrai, 1st

Cambrai · Warfare / World War, 1st

After the Battle of Cambrai, No. 8 Squadron was involved in Army cooperation, directing tanks and artillery

Role range: 1914-1918

1918

DSO

Warfare / World War, 1st

At the Armistice, is mentioned in dispatches and awarded the Distinguished Service Order

Role range: 1914-1918

1937

Fighter Command

Warfare / Military

Leigh-Mallory, now a Group Captain, returns to England to be appointed Commander of No. 12 Group, Fighter Command

1938

Air Vice Marshal

Air Vice Marshal · Warfare / Military

Appointed Air Vice Marshal

Fighter Command

Air Vice Marshal · Warfare / Military

Appointed Air Vice Marshal

1940

Battle of Britain

Commander of 12 Group · London · Warfare / Military

Appointed Commander of 12 Group during the Battle of Britain

Fighter Command

Commander of 11 Group · Warfare / World War, 2nd

Once appointed soon introduces wing-sized fighter sweeps into France, known as "rodeos". Leigh-Mallory takes over from Park as Commander of 11 Group

Role range: 1939-1945

Battle of Britain

Commander of 12 Group · London · Warfare / World War, 2nd

After the Battle of Britain, Air Chief Marshal Charles Portal, the new Chief of the Air Staff, who had agreed with Leigh-Mallory, removed both Park and Dowding from their posts.

Role range: 1939-1945

Battle of Britain

Commander of 12 Group · London · Warfare / World War, 2nd

Appointed Commander of 12 Group during the Battle of Britain

Role range: 1939-1945

Battle of Britain

Commander of 12 Group · London · Warfare / World War, 2nd

Leigh-Mallory is critical of the tactics of Park and Sir Hugh Dowding, head of Fighter Command, believing that not enough was being done to allow wing-sized formations to operate successfully. Forms the "Big Wing" formations to attack German bombers. Devises with Acting Squadron Leader Douglas Bader a massed fighter formation known as the Big Wing, which they used, with little success, to hunt German bomber formations

Role range: 1939-1945

Big Wing

Commander of 12 Group · Warfare / World War, 2nd

Leigh-Mallory takes over from Park as Commander of 11 Group

Role range: 1939-1945

Big Wing

Commander of 12 Group · London · Warfare / World War, 2nd

Devises with Acting Squadron Leader Douglas Bader a massed fighter formation known as the Big Wing, which they used, with little success, to hunt German bomber formations.

Role range: 1939-1945

Big Wing

Commander of 12 Group · London · Warfare / World War, 2nd

Leigh-Mallory is critical of the tactics of Park and Sir Hugh Dowding, head of Fighter Command, believing that not enough was being done to allow wing-sized formations to operate successfully.

Role range: 1939-1945

1942

Air Marshal

Air Marshal · Warfare / Military

Leigh-Mallory replaces Sholto Douglas as head of Fighter Command and is promoted to Air Marshal

Air Marshal

Air Marshal · Warfare / World War, 2nd

Leigh-Mallory replaces Sholto Douglas as head of Fighter Command and is promoted to Air Marshal

Role range: 1939-1945

Fighter Command

Air Marshal · Warfare / World War, 2nd

Leigh-Mallory replaces Sholto Douglas as head of Fighter Command and is promoted to Air Marshal

Role range: 1939-1945

Dieppe Raid

Commander of 11 Group · Dieppe · Warfare / World War, 2nd

Fighter Command operated 50 squadrons in close cover and six in close support. Losses during the ill-fated raid were again heavy, partly because of the superiority of the new German fighter, the Fw 190, over RAFs Spitfire Mark Vs. Apppointed air commander for the Dieppe Raid

Role range: 1939-1945

Fighter Command

Commander of 11 Group · Warfare / World War, 2nd

Fighter Command operated 50 squadrons in close cover and six in close support. Losses during the ill-fated raid were again heavy, partly because of the superiority of the new German fighter, the Fw 190, over RAFs Spitfire Mark Vs

Role range: 1939-1945

Siege of Dieppe

Commander of 11 Group · Dieppe · Warfare / World War, 2nd

Fighter Command operated 50 squadrons in close cover and six in close support. Losses during the ill-fated raid were again heavy, partly because of the superiority of the new German fighter, the Fw 190, over RAFs Spitfire Mark Vs. Apppointed air commander for the Dieppe Raid

Role range: 1939-1945

1943

Order of Bath

Air Marshal · Warfare / Military

Made a Knight Commander of the Order of the Bath

Order of Bath

Air Marshal · Warfare / World War, 2nd

Made a Knight Commander of the Order of the Bath

Role range: 1939-1945

Operation Overlord

Commander in Chief · Urville Hague · Warfare / World War, 2nd

The German radio intercept station is bombed & "wiped off the map"

Role range: 1939-1945

Operation Overlord

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

The RAF bombs a German Air Force base about to bomb the Overlord Channel fleet

Role range: 1939-1945

Allied Expeditionary Force

Commander in Chief · Quebec · Warfare / Military

Appointed Commander in Chief of the Allied Expeditionary Force

Commander in Chief

Commander in Chief · Quebec · Warfare / Military

Appointed Commander in Chief of the Allied Expeditionary Force

Commander in Chief

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

Appointed Commander in Chief of the Allied Expeditionary Force

Role range: 1939-1945

Conference of Quebec

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

Appointed Commander in Chief of the Allied Expeditionary Force

Role range: 1939-1945

AEAF HQ

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

The AEAF HQ takes control of the RAF Tactical Air Force & the Air Defence of Britain

Role range: 1939-1945 – 1943-1944

Operation Overlord

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

Appointed to plan British & US tactical air forces for Operation Overlord

Role range: 1939-1945

1944

Operation Neptune

Warfare / World War, 2nd

A total of 12,000 aircraft under Air Marshal Sir Trafford Leigh-Mallory were to support the landings, including 1,000 transports to fly in the parachute troops; 10,000 tons of bombs would be dropped against the German defenses, and 14,000 attack sorties

Role range: 1939-1945

Commander in Chief

Commander in Chief · Warfare / Military

Appointed Air Commander in Chief of South East Asia Command (SEAC)

Commander in Chief

Commander in Chief · Warfare / World War, 2nd

Appointed Air Commander in Chief of South East Asia Command (SEAC)

Role range: 1939-1945

South East Asia Command

Commander in Chief · Warfare / World War, 2nd

Appointed Air Commander in Chief of South East Asia Command (SEAC)

Role range: 1939-1945

Commander in Chief

Commander in Chief · Warfare / Military

Appointed Air Commander in Chief of South East Asia Command (SEAC). Appointed Allied Air Commander in Chief, South East Asia

Commander in Chief

Commander in Chief · Warfare / World War, 2nd

Appointed Air Commander in Chief of South East Asia Command (SEAC). Appointed Allied Air Commander in Chief, South East Asia

Role range: 1939-1945

Operation Overlord

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

Commander in Chief of the Allied airforces for Operation Overlord

Role range: 1939-1945

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.