In 1947, when it was built. After the Twin Towers were built in New York, it was the second tallest in the United States and the fifth tallest in the world. After 9/11, it became the tallest in the US again.
they wanted to build it
drywall
steel and glass
The Sears Tower was renamed Willis Tower on July 16, 2009. I'm not sure how much it would cost to build today but I know it is worth over $1 Billion USD today.
sears tower.
Answer: I heard it was a guy name george livingston. This is a rumor not absolutely fact!
50 stories are on the sears tower
The Willis Tower was made by putting a signature to a lease contract. The Willis Tower is formerly known as the Sears Tower. See related links for details.
108 Stories, and the Sears Tower is now known as The Willis Tower.
The Sears Tower, now known as the Willis Tower, is 108 stories tall.
the people that bought the sears tower are thinking about painting it silver. so i think that is why they are calling it the sears tower black
Yes, Sears Tower is in use today.