Early History of the Church in Thessalonica (Thessaloniki)
Thessalonica was a strategically vital city in the Roman province of Macedonia (modern Thessaloniki, Greece). Founded around 315 BC by Cassander (who named it after his wife, the half-sister of Alexander the Great), it grew into a major seaport on the Thermaic Gulf and a key stop on the Via Egnatia, the major Roman road linking the Adriatic Sea to Byzantium. This made it a bustling commercial, political, and cultural hub—ideal for the rapid spread of the Gospel. By the 1st century AD, it served as the capital of Macedonia and hosted a Jewish synagogue alongside a diverse pagan population steeped in idolatry and emperor worship. Founding of the Church (Acts 17:1-9, c. AD 50–51) The church was planted by the Apostle Paul during his **second missionary journey**, accompanied by Silas (Silvanus) and Timothy. After leaving Philippi, they traveled through Amphipolis and Apollonia before reaching Thessalonica. Following his usual pattern (“to the Jew first,” Romans 1:16), Paul reasoned i...