Simeon I, also known as Simeon the Great, was a prominent ruler of the First Bulgarian Empire from 893 to 927 AD. He is best known for expanding the empire's territory and influence, making it one of the most powerful states in Europe during his reign. Simeon established a strong central government and promoted the spread of Christianity, which helped unify the diverse peoples within his realm. Under Simeon's leadership, the Bulgarian state experienced a cultural renaissance, particularly in literature and education. He supported the development of the Cyrillic alphabet, which facilitated the spread of literacy and Orthodox Christianity. Simeon's reign is often regarded as a golden age for Bulgaria, leaving a lasting legacy in the region's history.