The Battle of the Yellow Ford took place on August 14, 1598, during the Nine Years' War in Ireland. It was fought between the forces of the Irish chieftain Hugh O'Neill and the English army led by Sir Henry Bagenal. The battle occurred near the Yellow Ford, a river crossing in County Armagh, and was significant for the Irish, as they achieved a decisive victory. The battle showcased the effectiveness of the Irish tactics and their knowledge of the local terrain. Following the defeat, the English forces faced challenges in maintaining control over Ireland, which ultimately contributed to the ongoing conflict between the Irish and the English crown.