Stela D is an ancient stone monument from the Maya civilization, specifically found in the archaeological site of Copán in Honduras. It dates back to the 8th century and is known for its intricate carvings and inscriptions that provide insights into the political and social structure of the time. The stela features a depiction of a ruler, likely Yax Pasah, along with hieroglyphic texts that detail significant events during his reign. These inscriptions are crucial for understanding the history and culture of the Maya people, as they document lineage, warfare, and rituals.