När byggdes world trade center?
1973
Construction of the World Trade Center
Ceremonin för att tappa upp taket till 1 WTC (norra tornet) ägde rum den 23 december 1970, och ceremonin för 2 WTC (södra tornet) ägde rum senare, den 19 juli 1971. De första hyresgästerna flyttade in i det norra tornet den 15 december 1970 och i det södra tornet i januari 1972. Byggnaderna invigdes den 4 april 1973; Tobin, som hade avgått året innan, var frånvarande vid ceremonierna.
1973
Construction of the World Trade Center
The topping out ceremony of 1 WTC (North Tower) took place on December 23, 1970, with 2 WTC's ceremony (South Tower) occurring later on July 19, 1971. The first tenants moved into the North Tower on December 15, 1970, and into the South Tower in January 1972. The buildings were dedicated on April 4, 1973; Tobin, who had resigned the year before, was absent from the ceremonies.
Construction of the World Trade Center