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 vast majority of the world's countries—including all of the great powers—forming two opposin ...

, Operation Grenade was the crossing of the

Roer The Rur or Roer (german: Rur ; Dutch and li, Roer, , ; french: Rour) is a major river that flows through portions of Belgium, Germany and the Netherlands. It is a right (eastern) tributary to the Meuse ( nl, links=no, Maas). About 90 perce ...

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. Roer ...

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 people ...

by the U.S. Ninth Army, 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 General William Hood Simpson (May 18, 1888 – August 15, 1980) was a senior United States Army officer who served with distinction in both World War I and World War II. He is best known for being the Commanding General of the Ninth United Stat ...

, in February 1945, which marked the beginning of the Allied invasion of Germany. 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 as ...

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 t ...

'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 in ...

since the

Battle of the Bulge The Battle of the Bulge, also known as the Ardennes Offensive, was the last major German offensive (military), offensive military campaign, campaign on the Western Front (World War II), Western Front during World War II. The battle lasted fr ...

—was to cross the Roer and link up with the

Canadian First Army The First Canadian Army (french: 1reArmée canadienne) was a field army and a formation of the Canadian Army in World War II in which most Canadian elements serving in North-West Europe were assigned. It served on the Western Front from July 1944 ...

, 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 General Henry Duncan Graham Crerar (28 April 1888 – 1 April 1965) was a senior officer of the Canadian Army who became the country's senior field commander in the Second World War as commander of the First Canadian Army in the campaign in N ...

, 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 Allies of World War II, Allied pincer movement that took place between 8 February and 11 March 1945 during the final stages of the World War II, Second ...

, 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 The Rur Dam (german: Rurtalsperre Schwammenauel) is a 77.2 metre high dam located in the southwestern part of the state of North Rhine-Westphalia in Germany. It was built in 1939 and impounds the River Rur to form the Rur Reservoir (''Rursta ...

and

Urft Dam The Urft Dam (german: Urfttalsperre) is a 58.50 metre high dam in the southwestern part of the state of North Rhine-Westphalia in Germany. It was built in 1905. The dam impounds the River Urft in the district of Euskirchen to create the Urft Res ...

). 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 (armed forces), officer of highest military ranks, high rank in the army, armies, and in some nations' air forces, space forces, and marines or naval infantry. In some usages the term "general officer" refers t ...

Omar Bradley Omar Nelson Bradley (February 12, 1893April 8, 1981) was a senior officer of the United States Army during and after World War II, rising to the rank of General of the Army. Bradley was the first chairman of the Joint Chiefs of Staff and over ...

's U.S. 12th Army Group 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 then ...

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 Karl Rudolf Gerd von Rundstedt (12 December 1875 – 24 February 1953) was a German field marshal in the '' Heer'' (Army) of Nazi Germany during World War II. Born into a Prussian family with a long military tradition, Rundstedt entered th ...

to withdraw behind the

Rhine ), Surselva, Graubünden, Switzerland , source1_coordinates= , source1_elevation = , source2 = Rein Posteriur/Hinterrhein , source2_location = Paradies Glacier, Graubünden, Switzerland , source2_coordinates= , so ...

, 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 __NOTOC__ Gustav Adolf Karl Friedrich Ernst von Zangen (7 November 1892 – 1 May 1964) was a German general in the Wehrmacht during World War II and a commander of the 15th Army in the Netherlands in 1944 during World War II. He was a recipie ...

, and the 1st Parachute Army, commanded by

Alfred Schlemm Alfred Schlemm (18 December 1894 – 24 January 1986) was a German ''General der Fallschirmtruppe'' in the Wehrmacht. His last command in World War II opposed the advance of the First Canadian Army through the Reichswald in February 1945. Early ...

. 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 ** Bl ...

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 genera ...

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