This document provides background information on Thessaloniki (Thessalonica) and summarizes the key points of Paul's first letter to the church in Thessalonica. It discusses how Paul established the church and his exemplary ministry there, focusing on the second coming of Jesus as the epistle's main theme. Each chapter references the second coming. The letter aims to encourage the believers and answer their questions about Christian conduct and the fate of deceased Christians. It urges watchfulness and holiness as they await Christ's return.