The campaign began with Japanese landings and occupation of several areas in the British Solomon Islands and Bougainville, in the Territory of New Guinea, during the first six months of 1942.
Kampanye tersebut dimulai dengan pendaratan Jepang dan pendudukan beberapa wilayah di Kepulauan Solomon Britania dan Bougainville, di Teritorial Nugini, pada enam bulan pertama 1942.