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Read Fast Facts from CNN about Willis Tower, formerly the Sears Tower, ... Timeline. 1970 - Construction begins. 1973 - Construction is completed and the building opens to the public.
The Willis Tower, originally and still commonly referred to as the Sears Tower, is a 110-story, 1,451-foot (442.3 m) skyscraper in the Loop community area of Chicago in Illinois, United States. Designed by architect Bruce Graham and engineer Fazlur Rahman Khan of Skidmore, Owings & Merrill (SOM), it opened in 1973 as the world's tallest ...
The North Tower was 417 m (1,368 ft) and the South Tower 415 m (1,362 ft) tall. It surpassed the height of the Empire State Building by 36 m (118 ft). Two years later the Sears Tower was built in Chicago, standing at 442 m (1,450 ft) with 110 floors, surpassing the height of the World Trade Center by 25 m (82 ft).
At the time, the Willis Tower held first place in the second and third categories, the Petronas Towers held the first category, and the original WTC North Tower held the fourth (height to tip) category with its antenna. [19] In 2000, however, a new antenna mast was placed on the Willis Tower, giving it the record in the fourth category.
Hengli Global Operations Headquarters Tower 1: 369 m (1,211 ft)? 2024 China: Suzhou [170] 34 Naga Tower 1 358 m (1,175 ft) 70 2026 Cambodia: Phnom Penh: 35 City Tower 1 358 m (1,175 ft) 94 2025 UAE: Dubai 36 Shenzhen Bay Super Headquarters Base Tower C-2 355.7 m (1,167 ft) 68 2027 China: Shenzhen [171] 37 Guohong Center: 350 m (1,150 ft) 71: ...
The tallest building in the city is the 110-story Willis Tower (also known as the Sears Tower), which rises 1,451 feet (442 m) in the Chicago Loop and was completed in 1974. [ 2 ] [ 3 ] Sears Tower was the tallest building in the world upon its completion, and remained the tallest building in the United States until May 10, 2013. [ 4 ]
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