7: Operation Watchtower begins the Guadalcanal Campaign as American forces invade Gavutu, Guadalcanal, Tulagi and Tanambogo in the Solomon Islands.
7: Operasi Watchtower memulai Kampanye Guadalcanal sementara pasukan Amerika menyerang Gavutu, Guadalcanal, Tulagi dan Tanambogo di Kepulauan Solomon.