Perl Harbor Perl Harbor is a military base in the Hawaii island called Oahu. On the 7th of december 1941 Japanese aereo naval force attacked the American base in the harbor. While the attack was happening Japan was declaring war to the United States. During the assoult of 350 Japanes planes, four of the eight American battleship (dreadnought) were destroied and the other four beached. There were 96 American sheeps and 26 of them were destroied or damaged. There were approximately 2.600 slain from both parts Only the three aircraft-carriers missed to be destroied, in fact in the meantime they were having a square-bashing. The attack was planned and headed from the admiral Isoroku Yamamoto. From now on and until the end of the 1941 the Pacific sea was dominated from the Japan Navy. After this attack, on the 8th of december 1941, the United States declared war to Japan.