History of Jehovah's Witnesses book, "Three Worlds and the Harvest of This World", was published in early 1877. It articulated ideas that remained the teachings of Russell's associates for the next 40 years, many of which are still embraced by Jehovah's Witnesses: it identified a 2520-year-long era called "the Gentile Times", which would end in 1914, and broke from Adventist teachings by advancing Russell's concept of "restitution" — that all humankind since Adam would be resurrected to the earth and given the opportunity for eternal perfect human life. Russell claimed it was the first book to combine biblical end-time prophecies with the concept of
Jehovah-nissi which they enlisted, by which they were animated and kept together, and therefore which they erected in the day of their triumph." Jehovah-nissi According to the Book of Exodus in the Bible, Jehovah-Nissi (Hebrew: יְהוָה נִסִּי) is the name given by Moses to the altar which he built to celebrate the defeat of the Amalekites at Rephidim. The first word of the phrase is the Tetragrammaton , the name of God. It is generally translated in English bibles as "the ". Jehovah is a Christian anglicized vocalization of this name. The Septuagint translators believed "nis·si′" to be derived from "nus"