The Tang (618-907 AD) and Song (960-1279 AD) Dynasties represent two of the most influential periods in the history of Chinese calligraphy. While both eras produced master calligraphers and profoundly shaped the development of the art form, their approaches, aesthetics, and prevailing styles differed significantly. These differences reflect the distinct cultural, social, and intellectual landscapes of each dynasty, creating contrasting yet equally captivating chapters in the story of Chinese calligraphy.