- Mission 276: 27 B-29s lay mines in the Oyama, Niigata, Miyazu, Maizuru, Tsuruga, Nezugaseki, Obama Island, and Kobe-Osaka areas of Japan and at Wonsan, Korea; 1 B-29s mines an alternate target.
- Mission 277: 127 B-29s attack the Fukui urban area destroying 1.6 sq mi (4.2 sq km), 84.8% of the city; 1 other B-29s hits an alternate target.
- Mission 278: 126 B-29s hit the Hitachi urban area destroying 0.88 sq mi (2.28 sq km), 64.5% of the city; 1 other B-29 hits an alternate target; 2 B-29s are lost.

- Mission 279: 91 B-29s attack the Choshi urban area destroying 0.379 sq mi (0.982 sq km), 33.8 % of the city.

- Mission 280: 126 B-29s hit the Okazaki urban area destroying 0.65 sq mi (1.68 sq km), 68% of the city; 1 B-29 hits an alternate target.

- Mission 281: 83 B-29s bomb the Nippon oil plant at Amagasaki; 1 other B-29 hits an alternate target.

- Iwo Jima-based P-51s strike airfields, factories, railroads, power lines and other tactical targets at Kagamigahara, Nagoya, Meiji, Izumi, Nishinomiya, and Tambaichi during the day.

90+ Far East Air Forces P-51s pound numerous targets on sweeps over the Nagoya area and hit airfields, factories, power facilities, and gun positions at locations including Kagamigahara, Nishinomiya, and Osaka.

Carrier-based aircraft of Task Force 38 attack the Kure naval shipyard in Japan and damage the aircraft carriers HIJMS Amagi and HIJMS Katsuragi and the battleship HIJMS Haruna. Meanwhile, Task Group 35.4 consisting of four light cruisers and destroyers, completes its bombardment of Japanese radar stations at Nojima Saki on Honshu Island.

Off Okinawa, Japanese kamikazes damage the destroyer USS Thatcher (DD-514) and another barely misses the destroyer USS Charles J Badger (DD-657).

BORNEO: Thirteenth Air Force P-38s support Australian ground troops by hitting a suicide boat hideout at Sandakan while B-25s bomb Jesselton Airfield.

CANADA:

End of Halifax ammunition dump crisis after day of terror.

Corvettes HMCS Peterborough, Rosthern and Owen Sound paid off Sorel, Province of Quebec.

HMC ML 076 and ML 077 paid off.

U.S.A.: Congress ratifies the Bretton Woods monetary agreement.