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 that this name is "traditionally" transliterated as "Jehovah": A few translations use titles such as The "Eternal": Some translations use both "Yahweh" and "": Some translate the Tetragrammaton exclusively as "Yahweh": Following the Middle Ages, some churches and public buildings across Europe, both before and after the Protestant Reformation were decorated with the name Jehovah. For example, the Coat of Arms of Plymouth (UK) City Council bears the Latin inscription, "Turris fortissima est nomen Jehova" (English, "The name of Jehovah is the strongest tower"), derived from . Jehovah has been a popular English word for the personal name of God