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August 15, 1945: V-J Day and the End of WWII


The morning of August 15, 1945, dawned with the realization that after a long war resulting in some 60 million deaths worldwide, WWII was finally over and Victory in Japan (V-J Day) had arrived. Hours earlier, Emperor Hirohito announced Japan’s unconditional surrender, bringing WWII hostilities around the world to an end. President Harry S. Truman declared a two-day holiday and the war-weary world breathed a collective sigh of relief.

It had been three months since Allies celebrated a victory in Europe (V-E Day), on May 8, 1945. That celebration, however, was tempered by the fact that war was still raging in the Pacific. With all attention being turned to Japan, Allied troops continued their assault in the Pacific. On June 21st, the US completed the capture of Okinawa providing a base for troops to launch a final assault on Japan.

In July, leaders from the Soviet Union, the United Kingdom, and the United States met at the Potsdam Conference where they agreed to insist upon an unconditional Japanese surrender. They warned that without a surrender, Japan would face “prompt and utter destruction.” During the conference, President Truman hinted at the possibility of a weapon that may change the tides of war. Components for that weapon, were in fact, already en route to the Pacific aboard the USS Indianapolis. After delivering atomic bomb components to Tinian, Japanese torpedoes sunk the Indianapolis on July 30th.  Ironically, it wasn’t until V-J Day that word of the Indianapolis sinking reached the public, and on August 15th, the front page of many papers reported on both the Japanese surrender and the Indianapolis tragedy.

Joseph Stalin, Harry S. Truman, and Winston Churchill at the Potsdam Conference

Meanwhile, aviators were rehearsing the atomic bombing mission, making practice flights in preparation. The Potsdam Conference wrapped up on August 2nd.  Within one week, two nuclear weapons would be dropped on Japan resulting in the deaths of some 200,000 people, many of them civilians.

On August 6th, a B-29 bomber named Enola Gay dropped the first atomic bomb “Little Boy” on Hiroshima. A second B-29 bomber, Bockscar, dropped another atomic bomb, “Fat Man”, on Nagasaki three days later. The weapons delivered a devastating blow to Japan.

In the early morning hours of August 14th, the Federal Communications Commission was monitoring a Tokyo radio broadcast when they heard that an announcement accepting the terms of the Potsdam Conference was forthcoming. US Navy Admiral William Halsey, Jr., sent word to aircrews that were minutes away from their targets. “Cease firing, but if you see any enemy planes in the air, shoot them down in a friendly fashion,” he said. That evening, August 14, 1945, the news became official when President Truman announced the suspension of hostilities and the unconditional surrender of Japan at 7:00 p.m. Allies announced the surrender in their capitals at the same hour. As the news spread, throngs of people took to the streets, horns blasted, and bells tolled in celebration. An unofficial V-J Day celebration began spontaneously. The United States would officially celebrate V-J Day when the official Japanese Instrument of Surrender was signed on the deck of the USS Missouri in Tokyo Bay on September 2, 1945.

To learn more about the final months of WWII and V-J Day, search Fold3 today!


  1. It should be noted that because of time differences, It was still Aug 14, 1945 when the Americas and Eastern Pacific Islands were notified.

  2. I wish you had said more about the unbelievable ordeal the courageous men on the U.S.S. Indianapolis suffered. They brought the parts of the bomb to Tinian that helped end the horrific war in the Pacific, and on their way back, after being torpedoed by a Japanese sub, spent several days in shark-infested waters. I can’t remember exactly how many of them died and how many of them made it back alive, but I do remember it was a terrible percentage. And it was a nightmarish experience even for those who made it back alive. Many of them recounted remembering the rest of their lives how as they formed a circle in those waters how all of a sudden the man next to them would suddenly disappear under the water, which would then turn red from a shark ripping apart their fellow sailors piece by piece.

    Also, you could have mentioned how the Captain of the Indianapolis was court-martialed for “not taking proper evasive tactics” in waters known to be haunted by Japanese subs, but who—after fighting the court-martial for years—finally cleared his name and got the results of the court-martial rescinded.

    In any mention of the U.S.S. Indianapolis, the terrible ordeal those brave seamen went through always deserves at least an honorable mention,

  3. Last year my Aunt, one of my Dad’s sisters sent a box of letters that my Dad had sent to her during WWII. It also included a copy of the Saipan military newspaper celebrating the end of the war. My Dad was stationed at Kobler Naval Air Station on Saipan in 1945 and part of 1946 as a fireman on a crash crew.

  4. Interesting reading about the events leading up to the atomic bombings, Countdown 1945, by Chris Wallace.

  5. During the War, my dad served on a destroyer, the USS WALKE, in the Pacific Theater from 1943 to 1946. The ship was hit by several torpedoes, and lost many men during those attacks. My dad thankfully returned home to southwestern Nebraska on February 14, 1946. He spoke about Guam, Okinawa, and Japan, among other places, and was truly saddened by the tragedy of the USS INDIANAPOLIS. As I grew up, I learned so much about WWII, and today am very humbled by the sacrifices made by so many. It truly was the GREATEST GENERATION.

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