https://en.wikipedia.org/wiki/Empire_State_Building

The Empire State Building is a 102-story Art Deco skyscraper in Midtown Manhattan, New York ... Construction on the building itself started on March 17, 1930, with an average construction rate of four and a half floors per week.

https://www.esbnyc.com/explore/historical-timeline

1930: On March 17, construction of the Empire State Building begins. Under the direction of architects Shreve, Lamb & Harmon Associates, the framework rises ...

https://www.6sqft.com/the-wild-and-dark-history-of-the-empire-state-building/

Aug 29, 2017 ... Prior to the Empire State Building, the U.S. lineup of tall towers included the Metropolitan Life Tower at 700 feet built in 1909, followed by the ...

https://www.thoughtco.com/the-empire-state-building-1779281

Jul 18, 2018 ... Ever since it was built, the Empire State Building has captured the .... The steel skeleton was built next, with work beginning on March 17, 1930.

https://www.cnn.com/2013/07/11/us/empire-state-building-fast-facts/index.html

Jul 25, 2018 ... Read CNN Fast Facts about the Empire State Building in New York.

https://www.history.com/topics/us-states/history-uncut-construction-of-the-empire-state-building-video

Upon its completion in 1931, the Empire State Building in New York City was the world's tallest building. Check out original footage of its construction.

https://www.history.com/news/10-surprising-facts-about-the-empire-state-building

Apr 29, 2016 ... Despite the colossal size of the project, the design, planning and construction of the Empire State Building took just 20 months from start to ...

http://www.atchuup.com/construction-of-the-empire-state-building/

Built during the Great Depression between 1930 and 1931, the Empire State Building became known as “the Most Famous Skyscraper in the World.

https://science.howstuffworks.com/engineering/structural/empire-state-building.htm

The Empire State Building is an iconic office building known as "the Most Famous Skyscraper in the World." Construction began in 1930, and the grand opening ...

https://mashable.com/2015/03/07/empire-state-building-vertigo/

Mar 7, 2015 ... Your stomach will flip-flop as you peruse these historic photos of the Empire State Building's construction process.