Ramiro II, King (Kingdom of Leon) : All Data
Ramiro II was a king who ruled over the Kingdom of Leon from 931 to 951. During his reign, he faced several significant wars and conflicts. One of the most important wars was the Battle of Simancas in 939, where Ramiro II successfully defended his kingdom against the Caliphate of Cordoba, securing the independence of Leon. Another notable conflict was the War of the Three Sanchos, which occurred from 966 to 969, after Ramiro II's reign. Therefore, the most significant war that happened during his tenure was the Battle of Simancas in 939.