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The twin towers, as the north and south towers of World Trade Center in New York City were known, were destroyed in coordinated terrorist attacks on Sept. 11, 2001. Islamic extremists hijacked four commercial airliners t... More »

www.reference.com History Modern History US History

The twin towers, the two tallest buildings in the World Trade Center complex, were 1,368 and 1,362 feet tall. The two towers, known as One and Two World Trade Center, each had 110 stories. More »

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Each tower of the World Trade Center in New York City had 110 floors. This made them the tallest buildings in the world until 1974. More »

www.reference.com Home & Garden Home Maintenance Building Materials
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Two hijacked planes hit the twin towers of the World Trade Center on Sept. 11, 2001. American Airlines Flight 11 flew into the north tower at 8:45 a.m. United Airlines Flight 175 crashed into the south tower at 9:03 a.m. More »

www.reference.com History Modern History US History

The attack on the World Trade Center's twin towers occurred on Sept. 11, 2001. The attack was carried out by 19 members of the terrorist group al-Qaeda and involved the hijacking of four airline planes. Two of the planes... More »

www.reference.com History Modern History US History

U.S. troops officially entered Afghanistan on Oct. 7, 2001 under Operation Enduring Freedom following the Sept. 11, 2001 terrorist attacks. The mission’s stated goal was to capture or kill al-Qaida leaders, remove the Ta... More »

www.reference.com History Modern History US History

Major attacks in U.S history are the Japanese attack on Pearl Harbor, the attack on the Alamo and the terrorist attacks of Sept. 11, 2001. The Pearl Harbor and September 11 attacks both led to an organized U.S. military ... More »

www.reference.com History Modern History US History