- Date: July 15–21, 1958
- 763 Participants
- Speakers: Eugene Stowe, Alex Patterson, Howard Hamlin, Bud Smee, Helen Wilson
- The International Institute was first formed as a special Nazarene Young People’s Society (NYPS) event commemorating the 50th anniversary of the Church of the Nazarene. After assessing the incredible results of the first event, leaders decided to make International Institute a part of the life of the church.
- “Daily, letters from teenagers, parents, and pastors bear witness to the continuing impact of our first International Institute.” – 1959 Board of General Superintendents’ Report
- “We won’t know the full value of this gathering until 15 years from now.” – event leader
- “It was wonderful. The Holy Spirit manifested Himself in many ways. The Church of the Nazarene will reap manyfold from these unequaled days at Estes Park.” – Harold Stanfield
