Sears+Tower+Built

One of the largest skyscrapers in the world, The Sears Tower, was built on may 3, 1973 in Chicago, Illinois. It is the tallest skyscraper in Chicago. The Sears Tower was license by Sears Roebuck and company, it was designed by chief architect Bruce Graham, and structural engineer Fazlar Khan. The sears tower began it’s construction on the month of August 1970, and finish it’s maximum height on may 3, 1973. After the finish of the sears tower, it had become the tallest building in the United States by overtaking the World Trade  Center in new York City. It is also the 5th tallest skyscraper in the world today. The Sears tower orginal height was 1454 feet tall, but when the twin antennas where build for NBC channel to get better reception it was as tall as 1707 feet tall.