Battle of the Tenaru
1942 CE.
Shown on the map at -9.422°, 160.067°.
The Battle of the Tenaru, sometimes called the Battle of the Ilu River or the Battle of Alligator Creek, was a land battle between the Imperial Japanese Army and Allied ground forces that took place on 21 August 1942, on the island of Guadalcanal during the Pacific campaign of World War II. The battle was the first major Japanese land offensive during the Guadalcanal campaign. In the battle, U.S. Marines, under the overall command of U.S. Major General Alexander Vandegrift, repulsed an assault by the "First Element" of the "Ichiki" Regiment, under the command of Japanese Colonel Kiyonao Ichiki. The Marines were defending the Lunga perimeter that guarded Henderson Field which had been captured by the Allies in landings on Guadalcanal on 7 August. Ichiki's unit was sent to Guadalcanal in response to the Allied landings there with the mission of recapturing the airfield and driving the Allied forces off the island. Underestimating the strength of Allied forces on Guadalcanal, which at the time numbered about 11,000 personnel, Ichiki's 900-man unit conducted a nighttime frontal assault on Marine positions at Alligator Creek on the east side of the Lunga perimeter.
Text from the Wikipedia article Battle of the Tenaru, licensed CC BY-SA 4.0.