While almost everyone has an idea on the worldβs tallest structures, not too many people outside the circle of architects and engineers know about the first skyscraper ever built. Probably, a number of Chicagoans would know about it, after all, it was built in their city. John Eilermann. Read more: https://sites.google.com/site/johneilermannus/blog/historyandarchitecturethefirstskyscraper