As I posted earlier, see the link to jwfacts.com.
They expected the rapture on 10/1/1914.
Brother Macmillan admitted: “We were highly excited and I would not have been surprised if at that moment we had just started up, that becoming the signal to begin ascending heavenward”Yearbook 1975 pp.72,73
Back then, they taught the Gentile Times had ended in 1874 and The End would come on 10/1/1914. It was not until after that prophecy failed that the wts revised the teaching to be 1914 as the date Jesus began to rule invisibly (end of Gentile kings' rule, or Gentile Times).
"Our Lord, the appointed King, is now present since October 1874, A.D., according to the testimony of the prophets, to those who have ears to hear it: and the formal inauguration of his kingly office dates from Apr 1878, A.D." Studies in Scriptures Series IV (1897) p.621