Founding in Concepción (May 22, 1944)

On May 22, 1944, in Concepción, Chile, missionary leader William M. Strong founded the Gospel Mission of South America, an interdenominational Protestant missions agency shaped by a plain, steady conviction: the gospel of Jesus Christ must be preached, and believers must be strengthened into faithful churches across the continent. Concepción—an important southern Chilean city marked by industry, learning, and frequent hardship—served as a fitting birthplace for a work aimed at endurance and rootedness, not mere religious excitement.

The wider world still reeled from World War II. In that uneasy hour, Strong’s decision carried a quiet heroism: not the heroism of spectacle, but of obedience, prayer, and costly persistence. The mission’s aims echoed the apostolic pattern of proclaiming Christ and nurturing congregations toward maturity. “How can they believe in the One of whom they have not heard?” (Romans 10:14). The calling was not simply to win momentary decisions, but to see lasting discipleship take shape through Scripture, worship, holiness, and shepherding.

William M. Strong and the Call to Steady Obedience

Strong’s leadership reflected a kind of courage often overlooked—the courage to trust God for long work in difficult places. Missions requires patience with language, culture, and suffering, along with the humility to serve alongside local believers rather than above them. Strong’s path emphasized dependence on God’s Word and the ordinary means of grace: prayer, preaching, and faithful fellowship. “And He told them, ‘Go into all the world and preach the gospel to every creature.’” (Mark 16:15).

Relocation to Fort Lauderdale (1975) and Ongoing Support

In 1975, the mission relocated its headquarters to Fort Lauderdale, Florida, signaling a continued commitment to sustain field workers, coordinate sending churches, distribute resources, and support long-term church strengthening in South America. Such organizational shifts, when done wisely, can provide stability for missionaries and increase the reach of gospel labors without changing the message.

The story still calls believers to prayerful sacrifice and confident hope. The same Lord who sends also sustains: “How beautiful are the feet of those who bring good news!” (Romans 10:15). May God raise up steadfast laborers today—men and women marked by faith, courage, purity, and love—until Christ is honored among the nations.