1939 and ended in 1945.
The first battle for the US was Pearl Harbor.
world war 2 was the first war to use weapons because world war1 wasn't a really hard war to battle as world war 2 was a really hard one to battle against over people and countries
Mexico
briata
Korea
The first official battle of World War II involving overt US military presence was the Battle of Pearl Harbor.
Our first offensive for the pacific war the battle inGuadalcanal
Pearl Harbor.
First battles of Romanians in the World War 2 are against Soviet Union to free Bessarabia and Bucovina.
Battle of Midway
Germany invaded Poland
Midway