We fly just like birds of a feather
Yes, despite the curious mythos of the 1970's* it really was on February 1, 1979 that you had this story about how Pittsburgh was reaching a new all-time employment peak.
It was quite a year. A Superbowl (XIII), a superbowl season (leading to IV in Jan 1980), a World Series... and a new all time employment peak. Back then we at least noticed in passing the employment mark:
* You know what is kind of funny... Google "Cliff Stoudt" and see what you get.