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D-Day and Normandy ยท permanent subject timeline

Operation Tractable

The Canadian offensive aimed at closing the Falaise gap. This page combines historical context with 27 matching records drawn directly from the World History Database Normandy archive.

27 matching archive records1944โ€“1944 record spanOpen full 455-record archive

Historical context

Operation Tractable: overview and significance

What happened?

Operation Tractable followed Totalize and continued the First Canadian Army's drive toward Falaise and the routes east. Heavy bombing and armoured operations supported the advance.

Why was it important?

The offensive helped close the gap around German forces retreating from Normandy and contributed directly to the destruction and capture of substantial German formations in the Falaise Pocket.

World History Database records

Operation Tractable timeline

The records below are selected from the 455-record D-Day and Normandy archive and rendered as static HTML in chronological order.

1944
1944 10th August

Operation Totalize

Guy Simonds ยท Canada ยท Falaise ยท World War, 2nd

Operation Tractable incorporated lessons learned from Operation Totalize, notably the effectiveness of mechanized infantry units and tactical bombing raids by heavy bombers. By August 10, Canadian troops had reached Hill 195, north of Falaise, they are unable to advance farther immediately and they had been unable to capture Falaise

1944 10th August

Operation Tractable

Commander of First Army Henry Duncan Graham Crerar ยท Canada ยท Falaise ยท World War, 2nd

By August 10, Canadian troops had reached Hill 195, north of Falaise

1944 10th August

Operation Tractable

Guy Simonds ยท Canada ยท Falaise ยท World War, 2nd

By August 10, Canadian troops had reached Hill 195, north of Falaise

1944 14th August

Operation Tractable

Commander of First Army Henry Duncan Graham Crerar ยท Canada ยท Falaise ยท World War, 2nd

Many of the bombers mistakenly dropped short of their targets, causing 400 Polish and Canadian casualties.

1944 14th August

Operation Tractable

Commander of First Army Henry Duncan Graham Crerar ยท Canada ยท Falaise ยท World War, 2nd

Operation Tractable began at 12:00 on August 14 when 800 Lancaster and Halifax bombers struck German positions along the front.

1944 14th August

Operation Tractable

Commander of First Army Henry Duncan Graham Crerar ยท Canada ยท Falaise ยท World War, 2nd

The Canadians attempt to encircle the 5th Panzer, 7th Army & Panzer Gruppe Eberbach.

1944 14th August

Operation Tractable

Commander of First Army Henry Duncan Graham Crerar ยท Canada ยท Falaise ยท World War, 2nd

Throughout the day, continual attacks by the 4th Canadian and Polish 1st Armoured Divisions managed to force a crossing of the Laison River.

1944 14th August

Operation Tractable

Commander of First Canadian Army Henry Duncan Graham Crerar ยท Canada ยท Caen ยท World War, 2nd

Crerar's army continued the advance from the Caen sector toward Falaise and Trun.

1944 14th August

Operation Tractable

Viscount Commander of Eighth Army Bernard Law Montgomery Alemen, 1st ยท Great Britain ยท Falaise ยท World War, 2nd

Launches another operation against Falaise

1944 14th August

Operation Tractable

Guy Simonds ยท Canada ยท Falaise ยท World War, 2nd

Operation Tractable began at 12:00 on August 14 when 800 Lancaster and Halifax bombers struck German positions along the front. Many of the bombers mistakenly dropped short of their targets, causing 400 Polish and Canadian casualties

1944 14th August

Operation Tractable

Commander of II Canadian Corps Guy Granville Simonds ยท Canada ยท Caen ยท World War, 2nd

Simonds launched Tractable as the next armoured drive from the Caen-Falaise axis.

1944 15th August

Operation Tractable

Commander of First Army Henry Duncan Graham Crerar ยท Canada ยท Falaise ยท World War, 2nd

Although the first days progress was slower than expected, Operation Tractable resumed on August 15; both armoured divisions pushed southeast towards Falaise

1944 16th August

Operation Tractable

Commander of First Army Henry Duncan Graham Crerar ยท Canada ยท Falaise ยท World War, 2nd

The drive for Trun by Polish and Canadian Armoured Divisions began on August 16, with preliminary attacks in preparation for an assault against Trun and Chambois. The 2nd Canadian Infantry Division break into Falaise, encountering minor opposition from Waffen SS units and scattered pockets of German infantry

1944 16th August

Operation Tractable

Commander in Chief Guenther Hans von Kluge ยท Germany ยท Falaise ยท World War, 2nd

Refuses to carry out an order from the OKW to counter-attack

1944 16th August

Operation Tractable

Stanislaw Maczek ยท Poland ยท Falaise ยท World War, 2nd

The drive for Trun by Polish and Canadian Armoured Divisions began on August 16, with preliminary attacks in preparation for an assault against Trun and Chambois. Stanislaw Maczek, the Polish divisional commander, split his forces into three battlegroups each of an armoured regiment and an infantry battalion

1944 16th August

Operation Tractable

Guy Simonds ยท Canada ยท Falaise ยท World War, 2nd

The drive for Trun by Polish and Canadian Armoured Divisions began on August 16, with preliminary attacks in preparation for an assault against Trun and Chambois. The 2nd Canadian Infantry Division break into Falaise, encountering minor opposition from Waffen SS units and scattered pockets of German infantry

1944 17th August

Operation Tractable

Fuhrer Chancellor Adolf Hitler ยท Germany ยท Falaise ยท World War, 2nd

Authorizes a retreat

1944 17th August

Operation Tractable

Stanislaw Maczek ยท Poland ยท Falaise ยท World War, 2nd

Trun is liberated on the morning of August 18. The Polish 1st Armoured Division had outflanked the 12th SS Panzer Division, enabling several Polish formations to both reach the 4th Armoured Divisions objectives and significantly expand the bridgehead northwest of Trun

1944 19th August

Operation Tractable

Commander of First Army Henry Duncan Graham Crerar ยท Canada ยท Falaise ยท World War, 2nd

Novel tactics by Polish 1st Armoured Division, under the command of Stanislaw Maczek during the drive for Chambois, enabled the Falaise Gap to be partially closed by August 19, 1944, trapping about 150,000 German soldiers in the Falaise Pocket

1944 19th August

Operation Tractable

Stanislaw Maczek ยท Poland ยท Falaise ยท World War, 2nd

Novel tactics by Polish 1st Armoured Division, under the command of Stanislaw Maczek during the drive for Chambois, enabled the Falaise Gap to be partially closed by August 19, 1944, trapping about 150,000 German soldiers in the Falaise Pocket

1944 21st August

Operation Tractable

Commander of First Army Henry Duncan Graham Crerar ยท Canada ยท Falaise ยท World War, 2nd

Surrender and capture of the remaining units of the German 7th Army which were trapped in the Falaise Pocket. Elements of the First Canadian Army relieved the Polish Armys survivors of this Battle and the Canadian Army was finally able to close the Falaise Pocket by linking up with the troops of the American 3rd Army on the other side

1944 21st August

Operation Tractable

Fuhrer Chancellor Adolf Hitler ยท Germany ยท Falaise ยท World War, 2nd

Surrender and capture of the remaining units of the German 7th Army which were trapped in the Falaise Pocket. Elements of the First Canadian Army relieved the Polish Armys survivors of this Battle and the Canadian Army was finally able to close the Falaise Pocket by linking up with the troops of the American 3rd Army on the other side

1944 21st August

Operation Tractable

Stanislaw Maczek ยท Poland ยท Falaise ยท World War, 2nd

Elements of the First Canadian Army relieved the Polish Armys survivors of this Battle and the Canadian Army was finally able to close the Falaise Pocket by linking up with the troops of the American 3rd Army on the other side

1944 August

Operation Tractable

Commander of First Army Henry Duncan Graham Crerar ยท Canada ยท Falaise ยท World War, 2nd

This record states: And it was a part of the largest encirclement on the German Western Front during World War II.

1944 August

Operation Tractable

Commander of First Army Henry Duncan Graham Crerar ยท Canada ยท Falaise ยท World War, 2nd

This record states: Operation Tractable is the final offensive conducted by Canadian Army and Polish Army troops as part of the Battle of Normandy.

1944 August

Operation Tractable

Commander of First Army Henry Duncan Graham Crerar ยท Canada ยท Falaise ยท World War, 2nd

This record states: The goal of operation Totalize is to capture the strategically important French town of Falaise, and following that, the smaller towns of Trun and Chambois.

1944 August

Operation Tractable

Commander of First Army Henry Duncan Graham Crerar ยท Canada ยท Falaise ยท World War, 2nd

This record states: This operation was undertaken by the Polish 1st Armoured Division and the First Canadian Army against the Wehrmachts Army Group B.

Editorial provenance

Sources and editorial review

Compiled and edited by World History Database.

Historical context is editorial material; the chronology is generated from World History Database D-Day and Normandy records.

Last reviewed: September 2026.

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