Construction Began: Work on the CN Tower started on February 6, 1973.

Location: It is located in Toronto, Ontario, Canada, and was built by Canadian National Railway.

Built to improve signal transmission and serve as an observation tower.

Completion Date: The CN Tower was completed on June 26, 1976.

Opening Date: It officially opened to the public on October 1, 1976.

Height: 553.3 m, once the world’s tallest free-standing structure.

Construction Time: It took approximately 40 months to complete.

Designed by WZMH Architects and built by Canada Cement Company.