Answer:
- December 7, 1941: Japan attacks Pearl Harbor, a U.S. naval base in Hawaii, killing more than 2,400 Americans and destroying much of the Pacific Fleet. The next day, the U.S. declared war on Japan, and Germany and Italy declare war on the U.S.
- June 6, 1944: D-Day. The U.S., Britain, Canada, and other Allied forces launched a massive amphibious invasion of Normandy, France, to liberate Western Europe from Nazi occupation.
- August 6 and 9, 1945: The U.S. drops atomic bombs on Hiroshima and Nagasaki, Japan, killing more than 200,000 people and devastating both cities. President Truman warns Japan to surrender or face "a rain of ruin from the air".
- August 8, 1945: The Soviet Union declares war on Japan and invades Manchuria, a Japanese puppet state in China.
- August 15, 1945: Emperor Hirohito announces Japan’s surrender in a radio broadcast to the Japanese people. This is known as V-J Day (Victory over Japan Day) in the U.S. and other Allied countries.
- September 2, 1945: The formal surrender ceremony occurs aboard the USS Missouri in Tokyo Bay. Japanese Foreign Minister Shigemitsu Mamoru signs the Japanese Instrument of Surrender on behalf of the Japanese government. General Douglas MacArthur signs on behalf of the Allied Powers as the Supreme Commander for the Allied Powers. This marks the official end of WWII.
Step-by-step explanation:
- The U.S. entered WWII after Japan attacked Pearl Harbor in 1941.
- The U.S. and its allies invaded Normandy in 1944 to liberate Europe from Nazi rule.
- The U.S. dropped atomic bombs on Hiroshima and Nagasaki in 1945 to force Japan to surrender.
- Japan surrendered on August 15, 1945, and the formal ceremony took place on September 2, 1945.
Some additional information that you might find interesting are:
- The U.S. also fought against Germany and Italy in North Africa and Italy from 1942 to 1944.
- The U.S. also participated in the island-hopping campaign in the Pacific, capturing strategic islands from Japan such as Guadalcanal, Iwo Jima, and Okinawa.
- The U.S. also helped China resist Japan’s invasion and supported resistance movements in occupied countries such as France and the Philippines.
- The U.S. also contributed to the development of new technologies and weapons during the war, such as radar, jet engines, rockets, and the Manhattan Project.