Evangelist Siegfried Tomazsewski, president of Calling Ministry, shares how God is bringing together churches and ministries around the world to support 1GDA, One God-One Day-One Africa, with gatherings in African countries all on the same day in May 2020. Ordained with the German Pentecostal movement, Pastor Siegfried worked with Reinhard Bonnke of Christ for All Nations for almost 20 years.