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Jun 1, 2010 · Towering over the windy city of Chicago, the Willis Tower (formerly known as Sears Tower) was once the tallest building in the world upon its completion in 1973. Sears, Roebuck, & Company ...
The Willis Tower (formerly named the Sears Tower) is a 108-story, 1,451-foot (442 m) skyscraper in Chicago, Illinois, at the time of its completion in 1973, it was the tallest building in the world, surpassing the World Trade Center towers in New York, and it held this rank for nearly 25 years. The Willis Tower is the tallest building in the ...
The Sears Tower contains enough concrete to build an eight-lane, five-mile-long highway, enough steel to build 50,000 automobiles, and enough telephone wiring to wrap around the world 1.75 times.
A closer look at one of the most spectacular engineering projects of the 20th century.
The tower was originally named after Sears, Roebuck and Co., an American chain of Department Stores which was headquartered here. Sears sold the building in 1993 after moving to the suburbs. The building’s name was left unchanged until July 16, 2009, when it was renamed Willis Tower for one of the skyscraper’s tenants, a British insurance firm.
Willis Tower. Willis Tower (formerly Sears Tower) was the world's tallest building from 1973 to 1998.*. *Fully habitable, self-supported, from main entrance to highest structural or architectural top. The Willis Tower, built and still commonly referred to as Sears Tower, is a 108-storey, 1,451-foot (442 m) skyscraper in Chicago, Illinois ...
Apr 28, 2023 · The men working on the Sears Tower, 233 S. Wacker Drive, reached the 104th floor on March 13, 1973, making the structure the tallest in the world. The second tallest building is the 1,3500-foot ...
