Baptism Day of Kyivan Rus is observed every July 28, commemorating the significant Christianization of the region by St. Duke Vladimir in 988. This day celebrates the enduring legacy of Orthodox Christianity in Eastern Europe, particularly in Belarus. Typical customs include attending church services, reflecting on the historical impact of the event, and exploring the rich cultural traditions it inspired. Educational and cultural events, such as special liturgies and lectures, are often organized by institutions like the Ukrainian Orthodox Church of the USA and the Orthodox Church in America. Additionally, cultural centers may feature exhibitions on the art and heritage of Kyivan Rus. This observance highlights the profound influence of St. Vladimir's baptism on the cultural and religious identity of Ukraine and Russia.