HistoryData
Historical ConflictNorth Rhine-Westphalia

Operation Plunder

Operation Plunder breached the Rhine in March 1945, opening the final Allied advance into the heart of Nazi Germany.

Duration & Scope

1945 ongoing

< 1 year

Key Facts

Date of crossing
Night of 23 March 1945
Artillery barrage
5,000 guns
Royal Navy landing craft
36
Smoke screen began
16 March 1945
Crossing points
Rees, Wesel, south of River Lippe

Strategic Narrative Overview

On the night of 23 March 1945, the British Second Army and the U.S. Ninth Army crossed the Rhine at Rees, Wesel, and south of the Lippe under cover of a massive smoke screen and a five-thousand-gun artillery barrage. Simultaneously, Operation Varsity delivered U.S. and British airborne divisions to the east bank near Wesel, while the Special Air Service conducted Operation Archway in support.

01 / The Origins

By early 1945, Allied forces had fought their way to the Rhine, the last major natural barrier before Germany's industrial heartland. Field Marshal Montgomery planned a large-scale, coordinated assault to breach the river, combining ground forces with an airborne operation. Preparatory actions including Operation Grenade in February helped secure the western bank and set conditions for the crossing.

03 / The Outcome

The successful Rhine crossing shattered German defensive lines along the river and allowed Allied forces to fan out into northern and central Germany. The breach accelerated the collapse of organized German resistance in the west, contributing directly to Germany's unconditional surrender in May 1945 and the end of the war in Europe.

Belligerents & Mobilization Analysis

Side A

2 belligerents

British Second Army (21st Army Group)United States Ninth Army (21st Army Group)
Key Commanders

Field Marshal Bernard Montgomery, Lieutenant General Miles Dempsey, Lieutenant General William H. Simpson.

Side B

1 belligerent

Nazi Germany
Outcome
Successful Allied crossing of the Rhine; German river defences broken, opening the path into Germany

Kinetic Engagement Axis

Major engagements timeline (1945–present)Timeline of major military engagements plotted chronologically.1945present1945Operation Varsit…Allied1945Operation Archwa…Allied1945Operation GrenadeAllied

Scroll horizontally to view full axis. Events plotted relatively.

Side A victorySide B victoryInconclusiveDecisive / turning point

Location

Map of Wesel, GermanyMap of Wesel, GermanyWesel, Germany