Patriarch Alexius II was the head of the Russian Orthodox Church from 1990 until his retirement in 2009. Born on February 23, 1929, in Siberia, he became a prominent religious leader during a time of significant change in Russia, including the fall of the Soviet Union. His leadership focused on restoring the church's influence and addressing the challenges faced by Orthodox Christians in a rapidly changing society. During his tenure, Alexius II worked to improve relations with other Christian denominations and promoted the idea of a united Orthodox Church. He was known for his efforts in social issues, advocating for moral values and the importance of faith in public life. His legacy includes a strengthened church presence in Russia and abroad.