I found this gem in the Watchtower online library that now goes further back than the year 2000 publications. An extra bit of evidence for those cult members that deny that their Governing Body gods lied to them.
Even a lapel card was printed for all attendees to wear (see my avatar)
Kingdom Ministry 1970 July in the announcements section.
◆ A new circuit assembly program is scheduled to begin in September. We believe you will find it most informative and upbuilding. The public talk will be “Who Will Conquer the World in the 1970’s?”