What Was The Tallest Building In 1975?
What Was The Tallest Building In 1975? It was 9:52 in the morning on March 31st, 1975, that the CN Tower officially became the World’s Tallest Free-Standing Structure. What was the tallest building in 1974? Years tallest Name Height 1931–1971 Empire State Building 381 m (1,250 ft) 1971–1973World Trade Center 417 m (1,368 ft) 1973–1998