Unified Silla was a Korean kingdom that existed from 668 to 935 AD, following the unification of the Silla and Baekje kingdoms. It was one of the Three Kingdoms of Korea and is known for its cultural and technological advancements, including the development of gold crowns and intricate pottery. The capital was located in Gyeongju, which became a center of art and learning. During the Unified Silla period, Buddhism flourished, leading to the construction of significant temples and the famous Seokguram Grotto. The kingdom also established a centralized government and a class system, which helped maintain stability and promote trade. Unified Silla played a crucial role in shaping Korean history and culture.