This was originally the title of a talk given February 24, 1918.
*** w64 11/1 p. 653 par. 27 Jerusalem—"A Burdensome Stone to All the Peoples" ***In the World War year of 1917 the Watchtower Bible & Tract Society under President Rutherford published TheFinishedMystery, a book giving an explanation of the Bible prophecies of Ezekiel and Revelation. The following year, on February 24, at Los Angeles, California, President Rutherford first delivered his famous speech on the electrifying subject "The World Has Ended—Millions Now Living May Never Die."
*** w55 4/15 p. 236 Part 8—International Attempt to Destroy Society Fails ***
On Sunday, February 24, 1918, at Los Angeles, there was delivered for the first time the lecture that later became entitled "Millions Now Living Will Never Die." See W 1924, p. 358.
Edited:
By March 1918 it had changed.
*** jv p. 719 Noteworthy Events in the Modern-day History of Jehovah’s Witnesses ***
1918 The discourse "The World Has Ended—Millions Now Living May Never Die" is first delivered, on February 24, in Los Angeles, California. On March 31, in Boston, Massachusetts, the talk is entitled "The World Has Ended—Millions Now Living Will Never Die"