The Ninth Battle of the Isonzo was an Italian offensive against Austria-Hungary in the course World War I .

On 22 February , once clear of the Reichswald ( German : Imperial Forest ) , and with the towns of Kleve and Goch in their control Control , the offensive was renewed Recovering as Operation Blockbuster and linked Connect up with the U.S. Ninth Army near Geldern on 4 March after the execution of Operation Grenade .

It was conducted Action by the First and Ninth U.S .

The Ninth Crusade was a military expedition to the Holy Land under the command of Prince Edward , the future King Edward I of England , in 1271–1272 .

The Ninth Crusade saw several impressive victories for Edward over Baibars .

By 28 June , the German Fourth Army had been destroyed Destroying , along with most of the Third Panzer and Ninth Armies .

During World War II , Operation Grenade was the crossing of the Roer river between Roermond and Düren by the U.S. Ninth Army , commanded Control by Lieutenant General William Hood Simpson , in February 1945 , which marked Recording the beginning of the Allied invasion of Germany .

On 9 February , the U.S. Ninth Army—operating under Field Marshal Sir Bernard Montgomery 's Anglo-Canadian 21st Army Group since the Battle of the Bulge—was to cross Motion_directional the Roer and link Connect up with the Canadian First Army , under Lieutenant-General Harry Crerar , coming from the Nijmegen area of the Netherlands in Operation Veritable , which had started Process_start at 05:00 on 8 February .

The Ninth Army was finally able to cross Motion_directional the river on 23 February .

The cyclone propelled Causation damaging storm surge into Lake Pontchartrain , breaching Damaging levees in New Orleans and inundating Destroying several neighborhoods , most notably the lower Ninth Ward .