The kingdom of God is God's supreme rule that is realized in various stages throughout history. Man can experience the various blessings of His reign according to the stage of its realization. The Kingdom of God is the age to come or Heaven. The entry of the Kingdom of God in North Sumatra was triggered by the arrival of Ludwig Ingwer Nommensen, who brought changes to Batak society through the establishment of churches and social services. Qualitative research method with theoretical basis research methods from books and journals. The results showed that the presence of Christianity brought by Nommensen resulted in the development of churches in the area, which not only became places of worship but also centers of social activities and community economic development.