The July 19th Intersection
Engineering Timelines - Royal Liver Building
www.engineering-timelines.com/scripts/engineeringItem.asp?id=161
Royal Liver Building - Wikipedia, the free encyclopedia
en.wikipedia.org/wiki/Royal_Liver_Building
History of the Twin Towers - Port Authority of New York & New Jersey
www.panynj.gov/wtcprogress/history-twin-towers.htmlAt the World's Fair in Flushing, NY the "World trade center" pavilion is dedicated to "world ... The South Tower of the WTC is topped off at 1,362 feet on July 19. (1971)
The topping out ceremony of 1 WTC (North Tower) took place on December 23, 1970, while 2 WTC's ceremony (South Tower) occurred later onJuly 19, 1971.[51]
Blow to owners of WTC | New York Post
nypost.com/2013/07/19/blow-to-owners-of-wtc/