None of Russell’s predictions came to pass, so words in his books were altered and they continued to sell them.
Today, Witnesses are told that 1914 was a year “marked” by Russell, but they are not told that Russell expected an outbreak of enduring PEACE with 1914, under the auspices of Zionism. Hence the magazine was called "Zion's Watch Tower".
The followng file provides key alterations they made to Russell’s books “Millennial Dawn” [MD], subsequently renamed “Studies in the Scriptures” [SS]. The initial title reflected Russell’s teaching that the Millennium had already dawned.
http://www.jwstudies.com/Changed_MD_and_SS_words.pdf
None of of CTR's dates is accepted today.
Very little, if anything, of the teachings when the WTS was "appointed" in 1919 is acceptable today.
In the 1920s, Rutherford got rid of the pyramids for proving dates, and lost the majority of his followers as a result.
etc., etc.
Doug