
The 1945 Japan–Washington flight was a record-breaking air voyage made by three specially modified Boeing B-29 Superfortresses on September 18–19, 1945, from the northern Japanese island of Hokkaidō to Chicago in the Midwestern United States, continuing to Washington, D.C. The flight was made by three United States Army Air Forces (USAAF) generals and other airmen returning to the United States from their overseas duty after World War II. At that date, it involved the heaviest load carried by an American aircraft, the longest nonstop flight made by the USAAF, and the first nonstop flight from Japan to the United States made with a complete aircraft. However the flight did not break the then-world distance record established by the Royal Air Force in 1938. It is worth noting that the Martin PB2M was rated at 144,000 lb much earlier. Also, the tests of the B-29 under the leadership of E.H. Rowley in June, 1945 with Grand Slam bombs may have been run at similar loads.

Flight 19 was the designation of a group of five General Motors Eastern Aircraft Division TBM Avenger torpedo bombers that disappeared over the Bermuda Triangle on December 5, 1945, after losing contact during a United States Navy overwater navigation training flight from Naval Air Station Fort Lauderdale, Florida. All 14 airmen on the flight were lost, as were all 13 crew members of a Martin PBM Mariner flying boat that subsequently launched from Naval Air Station Banana River to search for Flight 19. The PBM aircraft was known to accumulate flammable gasoline vapors in its bilges, and professional investigators have assumed that the PBM most likely exploded in mid-air while searching for the flight. Navy investigators could not determine the exact cause of the loss of Flight 19.

Operation Magic Carpet was the post-World War II operation by the War Shipping Administration to repatriate over eight million American military personnel from the European, Pacific, and Asian theaters. Hundreds of Liberty ships, Victory ships, and troop transports began repatriating soldiers from Europe in June 1945. Beginning in October 1945, over 370 navy ships were used for repatriation duties in the Pacific. Warships, such as aircraft carriers, battleships, hospital ships, and large numbers of assault transports were used. The European phase of Operation Magic Carpet concluded in February 1946 while the Pacific phase continued until September 1946.

Project Hula was a program during World War II in which the United States transferred naval vessels to the Soviet Union in anticipation of the Soviets eventually joining the war against Japan, specifically in preparation for planned Soviet invasions of southern Sakhalin and the Kuril islands. Based at Cold Bay in the Territory of Alaska, the project was active during the spring and summer of 1945. It was the largest and most ambitious transfer program of World War II.

The following are the Pulitzer Prizes for 1945.

On Christmas Eve, December 24, 1945, a fire destroyed the Sodder home in Fayetteville, West Virginia, United States. At the time, it was occupied by George Sodder, his wife Jennie, and nine of their ten children. During the fire, George, Jennie, and four of the nine children escaped. The bodies of the other five children have never been found. The Sodders believed for the rest of their lives that the five missing children survived.

Trinity was the code name of the first detonation of a nuclear device. It was conducted by the United States Army at 5:29 a.m. on July 16, 1945, as part of the Manhattan Project. The test was conducted in the Jornada del Muerto desert about 35 miles (56 km) southeast of Socorro, New Mexico, on what was then the USAAF Alamogordo Bombing and Gunnery Range, now part of White Sands Missile Range. The only structures originally in the vicinity were the McDonald Ranch House and its ancillary buildings, which scientists used as a laboratory for testing bomb components. A base camp was constructed, and there were 425 people present on the weekend of the test.