I had seen it before but never actually looked.
Sure enough in July 15 2013 WT ...
17 In the past, we have stated in our publications that these last four references apply to Jesus’ arriving, or coming, in 1918. As an example, take Jesus’ statement about “the faithful and discreet slave.” (Read Matthew 24:45-47.) We understood that the “arriving” mentioned in verse 46 was linked to the time when Jesus came to inspect the spiritual condition of the anointed in 1918 and that the appointment of the slave over all the Master’s belongings occurred in 1919. (Mal. 3:1) However, a further consideration of Jesus’ prophecy indicates that an adjustment in our understanding of the timing of certain aspects of Jesus’ prophecy is needed. Why so?
18. A consideration of Jesus’ prophecy in its entirety leads us to what conclusion about Jesus’ coming?
18 In the verses that lead up to Matthew 24:46, the word “coming” refers consistently to the time when Jesus comes to pronounce and execute judgment during the great tribulation. (Matt. 24:30, 42, 44) Also, as we considered in paragraph 12, Jesus’ ‘arriving’ mentioned at Matthew 25:31 refers to that same future time of judgment. So it is reasonable to conclude that Jesus’ arrival to appoint the faithful slave over all his belongings, mentioned at Matthew 24:46, 47, also applies to his future coming, during the great tribulation.* Indeed, a consideration of Jesus’ prophecy in its entirety makes it clear that each of these eight references to his coming applies to the future time of judgment during the great tribulation.
19. What adjustments in understanding did we consider, and what questions will be answered in the following articles?
19 In review, what have we learned? In the beginning of this article, we raised three “when” questions. We first considered that the great tribulation did not begin in 1914 but will start when the United Nations attacks Babylon the Great. Then, we reviewed why Jesus’ judgment of the sheep and the goats did not begin in 1914 but will occur during the great tribulation. Finally, we examined why Jesus’ arrival to appoint the faithful slave over all his belongings did not occur in 1919 but will take place during the great tribulation. So, then, all three “whens” apply to the same future time period—the great tribulation.
In a recent book study we considered in the "Gods Kingdom Rules" book...
7 Shortly after he was installed as King, Jesus took steps to prepare his followers for the vast work to be done. As we saw in Chapter 2, he did an inspection and a cleansing work from 1914 to early 1919. (Mal. 3:1-4) Then, in 1919, he appointed the faithful slave to take the lead among his followers. (Matt. 24:45) Especially from that time onward, that slave began dispensing spiritual food—by means of convention discourses and printed publications—that repeatedly emphasized the responsibility of all Christians to have a personal share in preaching.
So the slave was appointed in 1919...then it wasn't...then it was.
Seems more like a strobe light than a light getting brighter.