In the Gilbert Islands... American forces begin amphibious assaults. On the Tarawa Atoll, the 2nd Marine Division (General J. C. Smith) lands on Betio Island. Task Force 53 (Admiral Hill) provides naval support with 3 battleships and 4 cruisers and air support from 4 escort carriers. Of the 5000 American troops in the initial landing 1500 become casualties. The Japanese garrison consists of 4800 troops under the command of Admiral Shibasaki, supported by 50 artillery pieces and 7 light tanks. On Makin Atoll, the US 27th Infantry Division (General RC Smith) lands on Butaritari. Task Force 52 (Admiral Turner) provides naval support with 4 battleships and 4 cruisers and air support from 3 escort carriers. Meanwhile, the USS Independence from Task Force 50 is hit by a submarine torpedo.

On the Eastern Front... Soviet forces cross the Dniepr near Cherkassy in a new offensive.

In the Solomon Islands... American divisions continue to advance inland along the Numa-Numa trail, parallel to the Piva River.

In Italy... Although the British 8th Army (Montgomery) had scheduled an assault on the German-held Sangro Line for today, poor weather results in a postponement. A limited probing attack instead is carried out.

In the Mediterranean... The British evacuate the island Samos in the Aegean Sea.