King Sancho I of Navarre was a medieval monarch who ruled from 905 to 925 AD. He was the son of King García I of Navarre and played a significant role in the early formation of the Kingdom of Navarre in the Iberian Peninsula. His reign was marked by efforts to consolidate power and expand the territory of Navarre. Sancho I is often remembered for his military campaigns against both Muslim and Christian territories. He sought to strengthen his kingdom's defenses and promote Christianity, which was a central theme during his rule. His leadership laid the groundwork for future Navarrese kings.