The term “Christianised” refers to the process of converting to Christianity or the adoption of Christian beliefs, practices, and values by individuals or communities. The spread of Christianity was a transformative cultural and religious phenomenon that occurred over centuries and across different regions of the world. Christianity originated in the first century CE in the Levant (modern-day Israel and Palestine) and rapidly expanded throughout the Roman Empire and beyond. The process of Christianisation involved the preaching of Christian teachings, the establishment of churches, and the integration of Christian rituals into local religious practices. In many cases, existing pagan religious sites and festivals were adapted or repurposed for Christian worship. Christianisation often occurred through both peaceful means, such as missionary work and cultural exchange, and at times through coercion or state-sponsored initiatives. The process of Christianisation varied across different regions and cultures, resulting in the syncretism of Christian beliefs with pre-existing local beliefs and traditions. This syncretic approach allowed Christianity to become more accessible and relatable to diverse populations. As Christianity spread, it underwent various transformations and developments, giving rise to different Christian denominations and traditions. The study of Christianisation is crucial for understanding the historical and cultural impact of Christianity on societies around the world. It also sheds light on the dynamics of cultural exchange and religious syncretism in the context of global history. The legacy of Christianisation is visible in the religious and cultural practices of numerous communities worldwide, and its influence continues to shape the contemporary world.