U.S. Ninth Army

E52415

United States Army formation field army

The U.S. Ninth Army was a major American field army in World War II that played a key role in the Western Allied advance across Europe, including the final campaigns into Germany.

Aliases (3)

Statements (48)

Predicate	Object
instanceOf	United States Army formation → field army →
activatedOn	1944-05-15 →
allegiance	Allied Powers →
areaOfOperations	Belgium → France → Germany → Netherlands →
branch	United States Army → United States Army Ground Forces →
campaign	Central Europe Campaign → Northern France Campaign → Rhineland Campaign →
commander	Lieutenant General William H. Simpson →
conflict	World War II →
cooperatedWith	British 21st Army Group → British Second Army → U.S. First Army → U.S. Third Army →
country	United States of America →
disbandedOn	1945-06-30 →
engagement	Battle of the Bulge → Central Europe Campaign → Crossing of the Rhine → Rhineland Campaign → Ruhr Pocket →
enteredCombatInEuropeOn	1944-09 →
formedOn	1944-05-15 →
front	Western Front →
headquartersLocation	Fort Sam Houston (at activation) →
higherCommand	Supreme Headquarters Allied Expeditionary Force →
historicalEra	20th century →
nickname	Ninth U.S. Army →
notableAction	crossed the Rhine River in 1945 → crossed the Roer River in 1945 →
notableCommander	William H. Simpson →
notableFeature	served under both 12th and 21st Army Groups during WWII →
objective	advance into western Germany → encirclement of the Ruhr industrial region →
operation	Operation Grenade → Operation Plunder →
partOf	United States Army →
primaryEnemy	Nazi Germany →
role	offensive ground operations →
strengthType	multi-corps formation →
subordinateTo	12th Army Group → 21st Army Group →
theater	European Theater of Operations →

Referenced by (8)

Subject (surface form when different)	Predicate
Ruhr Pocket ("U.S. 9th Army") →	attackingForce
XIX Corps (United States) ("Ninth United States Army") →	higherCommand
Operation Plunder →	involvedUnit
Rhineland campaign ("Ninth United States Army") →	involves
U.S. Ninth Army ("Ninth U.S. Army") →	nickname
European Theater of Operations, United States Army ("Ninth United States Army") →	oversawFormationOf
12th Army Group ("Ninth United States Army") →	subordinateUnit
Ninth Air Force ("Ninth United States Army") →	supportedUnit