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In addition to the Twin Towers, the plan for the World Trade Center complex included four other low-rise buildings, which were built in the early 1970s. The 47-story 7 World Trade Center building was added in the 1980s, to the north of the main complex. Altogether, the main World Trade Center complex occupied a 16-acre (65,000 m 2) superblock.
One World Trade Center (WTC 1), the "North Tower", was, at 1,368 ft (417 m), six feet taller than Two World Trade Center (WTC 2), the "South Tower", which was 1,362 ft (415 m) tall. Numerous closely spaced perimeter columns provided much of the structural strength, along with gravity load shared with the steel box columns of the core. [23]
The original One World Trade Center (also known as the North Tower, Tower 1, Building One, or 1 WTC) was one of the Twin Towers of the original World Trade Center complex in New York City. It was completed in 1972, stood at a height of 1,368 feet (417 m), and was the tallest building in the world until 1973, when surpassed by the Sears Tower in ...
The original Two World Trade Center (also known as the South Tower, Tower 2, Building Two, or 2 WTC) was one of the Twin Towers in the original World Trade Center Complex in New York City. The Tower was completed and opened in 1973 at a height of 1,362 feet (415 m) to the roof, distinguishable from its twin, the North Tower (1 World Trade ...
A 1,776-foot-tall skyscraper, initially called the 'Freedom Tower,' was pitched as the new One World Trade Center (a title formerly held by the north tower). A ground-breaking ceremony was held ...
Sustained heavy damage in the collapse of 1 and 2 World Trade Center 54+ Did not collapse, but was declared destroyed. [6] 4 World Trade Center: Lower Manhattan, New York City 1975 Destroyed Heavily damaged by debris from the collapse of 2 World Trade Center 2 Did not collapse, but was declared destroyed. [7] 5 World Trade Center
The topping out ceremony of the North Tower (1 World Trade Center) took place on December 23, 1970, while the South Tower (2 World Trade Center)'s ceremony occurred on July 19, 1971. [154] The first tenants moved into the North Tower on December 15, 1970, [165] and into the South Tower in January 1972. [166]
United Airlines Flight 175 hits 2 World Trade Center in the September 11 attacks. At 9:03 a.m. EDT on September 11, 2001, five terrorists crashed United Airlines Flight 175 into the southern face of the South Tower. [14] [15] Three buildings in the World Trade Center complex, including 2 WTC, collapsed due to fire-induced structural failure. [16]