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 started building the sears tower in 1970 and finished it in 1973.
omg i dk the answer i need help
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.
Answer: I heard it was a guy name george livingston. This is a rumor not absolutely fact!
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.
50 stories are on the sears tower
The Sears Tower is now officially called Willis Tower.
The Sears Tower, now known as the Willis Tower, is 108 stories tall.
108 Stories, and the Sears Tower is now known as The Willis Tower.
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