This quote is from a Kingdom Ministry, advertising to its members (I was one until 1977) in the year 1970.
"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?” Kingdom Ministry Announcements, July 1970, p. 3"You will probably recognize the name tags of both the president and vice president of the WTBTS at the time.