and what about the earlier tower, when was that built?
1970s.
One World Trade Center
After Seven World Trade Center was built in the 1980s, the World Trade Center complex had a total of seven buildings; however, the most notable ones were the main Twin Towers built in the 1970s—
what is the height of the freedom tower 1,776 feet. when was it built? The construction of below-ground utility relocations, footings, and foundations for the new building began on April 27, 2006.
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One World Trade Center [SEP] Specifications and operations
After Seven World Trade Center was built in the 1980s, the World Trade Center complex had a total of seven buildings; however, the most notable ones were the main Twin Towers built in the 1970s—One World Trade Center was the North Tower, and Two World Trade Center was the South Tower. Each tower was over high, and occupied about of the total of the site's land. During a press conference in 1973, Yamasaki was asked, "Why two 110-story buildings? Why not one 220-story building?" His response was, "I didn't want to lose the human scale." When it was topped out on October, 1971, One World Trade Center became the tallest building in the world, surpassing the Empire State Building, which had held the record for 40 years.