On the morning of September 11, two hijacked American Airliners broke into the twin towers of the World Trade Center in New York. A third plane hit the Pentagon in Washington D.C. US announced that more than 3200 people were killed or missing in the attack, and that the economic loss, direct or indirect, reached hundreds of billions of dollars. As the result of the attack, the war against terrorism in Afghanistan broke out on October 7.
9月11日上午，两架被劫持的美国民航客机先后撞击了纽约世界贸易中心的双子楼。另有一架被劫持的民航客机撞击了位于华盛顿的五角大楼。美国宣布有3200多人在袭击事件中失踪或死亡，直接或间接的经济损失达数千亿美元。9·11袭击事件引发了10月7日在阿富汗的反恐战争。