The September 11 attacks killed 2,996 people and injured more than 6,000 others. These immediate deaths included 265 on the four planes, 2,606 in the World Trade Center and in the surrounding area, and 125 at the Pentagon. The attacks of September 11, 2001, were the deadliest terrorist act in world history and the most devastating foreign attack on American soil since the sneak attack by the Japanese on Pearl Harbor on December 7, 1941.