Mirian I was a significant historical figure in the early history of Georgia. He is best known for being the first king of Iberia, a region that is part of modern-day Georgia. His reign is believed to have occurred in the 3rd century AD, and he played a crucial role in establishing the foundations of the Georgian monarchy. Mirian I is also notable for his conversion to Christianity, which he promoted throughout his kingdom. This conversion is considered a pivotal moment in Georgian history, as it led to the eventual adoption of Christianity as the state religion, shaping the cultural and religious identity of the region.