Okinawa.
Strictly speaking, the current U.S. military base did not exist at the time, so it was not "won" (i.e. the Battle of Okinawa was over the entire island, not for a specific base on it).
Battle of Trafalgar fought by wooden ships in 1805; Battle of Tsushima fought by steel battleships in 1905.
It was the first major offensive by Allied forces against the Empire of Japan and thus the beginning of the slow island hopping campaign that first recaptured territory previously conquered by Japanese forces, then would ultimately prepare for the invasion of Japan itself.
Okinawa was the sight of a major Pacific battle where the Japanese fought against the US and it's Allies . Look to the related link below for further information regarding the battle and it's significance to WW2 .
the machine gun, the battle tank
It hinges on the definition of clash. The last major battle was The Battle of the Little Bighorn. After that, the last major encounter was Wounded Knee which was more of a massacre than a battle
The Battle of Okinawa (sometimes referred to as "The Last Battle") commenced in April 1945.
America defeated Japan within 4 days. It was the first major win for the Allies against Japan in WWII.
The first major battle was pearl harbor when japan attacked
Battle of Trafalgar fought by wooden ships in 1805; Battle of Tsushima fought by steel battleships in 1905.
Japan and germany
The last major battle in the war against German Nazis was the Battle of Berlin completed by the Soviets.
The Battle of Guadalcanal was a turning point in the Pacific War. It marked the first major offensive by Allied forces against the Japanese Empire and resulted in a strategic victory for the Allies. The battle ended Japan's expansion in the Pacific and forced them to adopt a defensive strategy for the rest of the war. This shift in momentum proved crucial in the ultimate defeat of Japan.
The battle of Midway.
Major General Braddock
It was the first major offensive by Allied forces against the Empire of Japan and thus the beginning of the slow island hopping campaign that first recaptured territory previously conquered by Japanese forces, then would ultimately prepare for the invasion of Japan itself.
American revolution
Okinawa was the sight of a major Pacific battle where the Japanese fought against the US and it's Allies . Look to the related link below for further information regarding the battle and it's significance to WW2 .