In New Guinea… Allied destroyers bombard the Japanese base at Wewak during the night (March 18-19).

In the Admiralty Islands… On Manus, the village of Lorengau is captured by US forces. On Los Negros American and Japanese forces engage near Papitalai.

On the Eastern Front… Forces of the Soviet 1st Ukrainian Front (Zhukov) capture Zhmerinka.

In the Marshall Islands… US Task Group 50.10 (Admiral Lee) bombards Mili Atoll. Two battleships and the carrier Lexington are involved. The USS Iowa is damaged by fire from a Japanese coastal battery.

In Germany… Admiral Horthy, the Regent of Hungary, is summoned to visit Hitler and arrested.