During

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...

, Operation Grenade was the crossing of the Roer river between

Roermond Roermond (; li, Remunj or ) is a city, municipality, and diocese in the Limburg province of the Netherlands. Roermond is a historically important town on the lower Roer on the east bank of the river Meuse. It received town rights in 1231. Ro ...

and

Düren Düren (; ripuarian: Düre) is a town in North Rhine-Westphalia, Germany, between Aachen and Cologne on the river Rur. History Roman era The area of Düren was part of Gallia Belgica, more specifically the territory of the Eburones, a pe ...

by the

U.S. Ninth Army The Ninth Army is a field army of the United States Army, garrisoned at Caserma Ederle, Vicenza, Italy. It is the United States Army Service Component Command of United States Africa Command (USAFRICOM or AFRICOM). Activated just eight weeks be ...

, commanded by

Lieutenant General Lieutenant general (Lt Gen, LTG and similar) is a three-star military rank (NATO code OF-8) used in many countries. The rank traces its origins to the Middle Ages, where the title of lieutenant general was held by the second-in-command on the ...

William Hood Simpson, in February 1945, which marked the beginning of the

Allied invasion of Germany The Western Allied invasion of Germany was coordinated by the Allies of World War II, Western Allies during the final months of hostilities in the European theatre of World War II, European theatre of World War II. In preparation for the Allied ...

. On 9 February, the U.S. Ninth Army—operating under

Field Marshal Field marshal (or field-marshal, abbreviated as FM) is the most senior military rank, ordinarily senior to the general officer ranks. Usually, it is the highest rank in an army and as such few persons are appointed to it. It is considered a ...

Bernard Montgomery Field Marshal Bernard Law Montgomery, 1st Viscount Montgomery of Alamein, (; 17 November 1887 – 24 March 1976), nicknamed "Monty", was a senior British Army officer who served in the First World War, the Irish War of Independence and ...

's Anglo-Canadian

21st Army Group The 21st Army Group was a British headquarters formation formed during the Second World War. It controlled two field armies and other supporting units, consisting primarily of the British Second Army and the First Canadian Army. Established ...

since the

Battle of the Bulge The Battle of the Bulge, also known as the Ardennes Offensive, was the last major German offensive campaign on the Western Front during World War II. The battle lasted from 16 December 1944 to 28 January 1945, towards the end of the war in ...

—was to cross the Roer and link up with the Canadian First Army, under

Lieutenant-General Lieutenant general (Lt Gen, LTG and similar) is a three-star military rank (NATO code OF-8) used in many countries. The rank traces its origins to the Middle Ages, where the title of lieutenant general was held by the second-in-command on the ...

Harry Crerar, coming from the

Nijmegen Nijmegen (;; Spanish and it, Nimega. Nijmeegs: ''Nimwèège'' ) is the largest city in the Dutch province of Gelderland and tenth largest of the Netherlands as a whole, located on the Waal river close to the German border. It is about 6 ...

area of the

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

Operation Veritable Operation Veritable (also known as the Battle of the Reichswald) was the northern part of an Allied pincer movement that took place between 8 February and 11 March 1945 during the final stages of the Second World War. The operation was conduc ...

, which had started at 05:00 on 8 February. However, once the Canadians had advanced, the Germans opened the sluice gates of upstream dams ( Rur Dam and Urft Dam). This stopped the Americans from crossing as planned. It had been anticipated that the Germans would try to do this, and that

General A general officer is an officer of high rank in the armies, and in some nations' air forces, space forces, and marines or naval infantry. In some usages the term "general officer" refers to a rank above colonel."general, adj. and n.". O ...

Omar Bradley's

U.S. 12th Army Group The Twelfth United States Army Group was the largest and most powerful United States Army formation ever to take to the field, commanding four field armies at its peak in 1945: First United States Army, Third United States Army, Ninth United Stat ...

could capture them in time to stop the flooding. During the two weeks that the river was flooded,

Hitler Adolf Hitler (; 20 April 188930 April 1945) was an Austrian-born German politician who was dictator of Germany from 1933 until his death in 1945. He rose to power as the leader of the Nazi Party, becoming the chancellor in 1933 and the ...

would not allow

Generalfeldmarschall ''Generalfeldmarschall'' (from Old High German ''marahscalc'', "marshal, stable master, groom"; en, general field marshal, field marshal general, or field marshal; ; often abbreviated to ''Feldmarschall'') was a rank in the armies of several ...

Gerd von Rundstedt to withdraw behind the

Rhine The Rhine ; french: Rhin ; nl, Rijn ; wa, Rén ; li, Rien; rm, label=Sursilvan, Rein, rm, label=Sutsilvan and Surmiran, Ragn, rm, label=Rumantsch Grischun, Vallader and Puter, Rain; it, Reno ; gsw, Rhi(n), including in Alsatian dialect, Al ...

, arguing that it would only delay the inevitable fight. He ordered him to fight where his forces stood. Those forces comprised the 15th Army, commanded by Gustav-Adolf von Zangen, and the

1st Parachute Army The German 1st Parachute Army (1. ''Fallschirm-Armee'') was formed in September, 1944, comprising 30,000 men. History Its first commander was Colonel General Kurt Student, the ''Wehrmacht''s airborne pioneer. During the Allied Operation Market ...

, commanded by Alfred Schlemm. The Ninth Army was finally able to cross the river on 23 February. By then, other Allied forces were also close to the Rhine. German forces west of the Rhine during operations Veritable,

Blockbuster Blockbuster or Block Buster may refer to: *Blockbuster (entertainment) a term coined for an extremely successful movie, from which most other uses are derived. Corporations * Blockbuster (retailer), a defunct video and game rental chain ** Blo ...

and Grenade lost 90,000 men, of which more than 50,000 became

prisoners of war A prisoner of war (POW) is a person who is held Captivity, captive by a belligerent power during or immediately after an armed conflict. The earliest recorded usage of the phrase "prisoner of war" dates back to 1610. Belligerents hold priso ...

(POW). Allied casualties amounted to some 23,000 men.

Notes

Footnotes Citations

References

* *

External links

*https://web.archive.org/web/20101119074119/http://104infdiv.org/grenade.htm
From the Rur to the Elbe (pdf, 92 pages)
*https://web.archive.org/web/20060629050112/http://www-cgsc.army.mil/carl/download/csipubs/fromroer/from_cii.pdf (PDF) {{Coord missing, Germany

Grenade A grenade is an explosive weapon typically thrown by hand (also called hand grenade), but can also refer to a shell (explosive projectile) shot from the muzzle of a rifle (as a rifle grenade) or a grenade launcher. A modern hand grenade g ...

Rhine Province February 1945 events in Europe 1945 in military history 1945 in Germany