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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]
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 ...
Willis Tower (formerly Sears Tower) 527 1,729 1974 Skyscraper Office, observation, UHF/VHF transmission, later United Airlines HQ [3] United States Chicago: Tallest building in the world 1974–1998 (by structural height). 17 1 World Trade Center (1971–2001)
The Willis Tower (formerly the Sears Tower) is 108 stories, but its Skydeck Observatory is on the 103rd floor. ... 15. Wilshire Grand Center, Los Angeles. Height: 1,100 feet ... 17. Brooklyn Tower ...
1994 - Sears, Roebuck & Company sells the building to reduce its debt. 1996 - The Petronas Twin Towers surpass the Sears Tower in height to become the world’s tallest buildings at 1,483 feet each.
Willis Tower (formerly Sears Tower) was the highest in the final category: the greatest height to top of antenna of any building in the world at 527 m (1,729 ft). The Burj Khalifa broke the height record in all four categories for completed buildings.
The nearly-identical buildings were the tallest in the world until being surpassed by Chicago's Sears Tower in 1973. The north tower stood just six feet taller than its counterpart.
In 1996, as a response to the dispute as to whether the Petronas Towers or the Sears Tower was taller, [7] the council listed and ranked buildings in four categories: [8] height to structural or architectural top; height to highest occupied floor; height to top of roof (removed as category in November 2009); [9] and; height to top of any part ...