In 1975 – Xerox announced its withdrawal from computer mainframe manufacturing. The company did indicate it would continue activities in other computer-related businesses like computer disk drives, serial printers, and apparently giving away secrets to companies like Apple and Microsoft.
In 2002 – WorldCom filed for the largest Chapter 11 bankruptcy in US history. It was the number two long-distance phone company, at a time when that still meant something. It would end up changing its name back to MCI, and its remains exists as Verizon’s business division.
In 2011 – The Space Shuttle Atlantis landed at Kennedy Space Center’s Shuttle Landing Facility, Runway 15, ending the US space shuttle missions.