Two technological innovation which enabled the first skyscrapers to be built were the development of the elevator by inventor Elisha Otis and the design of steel structural supports for tall buildings by architect William Le Baron Jenney.
The first skyscraper was built in Chicago. It was called the Home Insurance Building.
It was completed in 1885,and was demolished in 1931. It was 10 stories high and it was 138 feet tall