What is the best short summary of this topic; provide an overview of the origins of Christianity, highlighting key events and figures that shaped its beginnings. Please in simple English term??

Christianity began with the teachings of Jesus Christ in the 1st century AD. He preached about love, forgiveness, and salvation. After his death, his followers, known as the apostles, spread his message throughout the Roman Empire. Key figures like Paul and Peter played important roles in spreading Christianity. The religion faced persecution but eventually became the official religion of the Roman Empire in the 4th century.