Was the tallest building in Chicago before being surpassed by the Aon Center. Of all the buildings that have held the title, only Willis Tower has also held the title of world's tallest building. 65.065 Chicago Temple Building 568 (173) N 873750W /.88306N.63056W /.88306; -87.63056 (Chicago Temple Building) Tallest building constructed in the city in the 1920s. Rank Name Pinnacle height ft (m) Standard height ft (m) Floors Year Source 1 1 Willis Tower 1,730 (527) 1,451 (442) John Hancock Center 1,500 (457) 1,127 (344) Trump International Hotel and Tower 1,389 (423) 1,170 (357) Aon Center 1,136 (346) 1,136 (346) Franklin Center. 7 8, the, home Insurance Building, completed in 1885, is regarded as the world's first skyscraper. Being the inventor of the skyscraper, Chicago went through a very early high-rise construction boom that lasted from the early 1920s to the late 1930s, during which 11 of the city's 91 tallest buildings were constructed. 67.031 One North Wacker 652 (199) N 873810W /.88222N.63611W /.88222; -87.63611 (One North Wacker) Also known as the UBS Tower.