CT Russell said the dead would be resurrected to heaven from 1874-1881.
Then the Judge decided that it was not 1874/5 for the return of Christ but 1914, so moving the heavenly resurrection forward to be from 1914-1918.
In truth nobody knows when it happens or happened. Just because the Watchtower leadership says something in the printed word doesn't mean that it is true.
Zion's Watchtower 1881, January.
"now have taken prophetic measurements and allegories together,
five different points seeming to teach the resurrection of the dead in Christ and change of the living between the fall of 1874 and 1881. Two or more witnesses are enough to prove any case,
as a rule, and certainly God has given us abundant evidence. We are also glad to notice that all these things only corroborate previous truths, thus proving to a certainty each application as correct and causing the old jewels to shine brighter. The five lines of argument briefly stated are these:
1st. The days of Daniel ending in 1874, at which time the resurrection commenced, and since which, the dead have been
going in to the marriage.
2d. The end of the seven years from that time, as marked by the parallel, of the end of the "seventy weeks" in the Jewish age
ending in our year 1881, at which time we all should be in and the door closed, being the end of time of special favor to the nominal church before commencement of trouble which follows our change.... "