Acts 16:9-10
9And a vision appeared to Paul in the night: There was a man of Macedonia standing, beseeching him, and saying, Come over into Macedonia, and help us. 10And when he had seen the vision, straightway we sought to go forth into Macedonia, concluding that God had called us to preach the gospel to them.
Scripture Testimony Index stories for this passage
Louisa Vaughan's cook had been so dramatically changed by the Gospel, that his village elders wanted to learn the secret. Like the Macedonian that the Apostle Paul saw in a vision, they pleaded with her saying, "Please come over and help us, we are hungry to learn."
Some Chinese in the underground church, desiring to be missionaries, are having visions of specific people in specific countries speaking specific languages.