There are three main points in the document's summary of the history of Seventh-day Adventist views on the Trinity:
1) Up until 1890, most Adventist literature opposed the eternal deity of Jesus and personhood of the Holy Spirit. Ellen White later played a critical role in confirming the eternal deity of Jesus and concept of a three-person Godhead.
2) Between 1890-1900, a new emphasis on Jesus emerged following the 1888 conference, and Ellen White published views affirming Christ's underived divine nature. However, the church remained divided on this until the 1930s.
3) By the 1930s-1950s, an increasing majority accepted the eternal deity of Christ and Holy Spirit as