This study material provides an overview of the history of Christianity, including the use of codex in recording sacred texts, the compilation of the Canon, and the persecution faced by early Christians. It also discusses important figures such as St. Stephen, St. Paul, and Cornelius. Additionally, it explores the significance of Antioch, the Jerusalem Council, Aquila and Priscilla, and Gallio. The material concludes with insights into the books of 1 Peter and Hebrews, as well as the symbols Alpha and Omega.