On the Eastern Front… The Soviet 1st Ukrainian Front (Zhukov) strikes south between Proskurov and Tarnopol, threatening to drive a wedge between the German 1st and 4th Panzer Armies (both part of Army Group South). Soviet forces capture Kapychintsy.

In the Solomon Islands… On Bougainville, Japanese forces attack American positions without making any progress. Heavy Japanese losses are reported.

In the St. Matthias Islands… US destroyers shell the Japanese seaplane base on Elouae.