In 910, the Danish armies, which had been a persistent threat in England for nearly a century, faced a formidable alliance of Mercians and West Saxons at the Battle of Tettenhall. This conflict was led by two prominent figures: King Edward the Elder, ruler of Wessex, and Æthelred, Lord of the Mercians. Both leaders recognized the necessity of unifying their efforts to halt the Viking raids effectively, which had plagued their realms. The battle occurred near Tettenhall, situated in present-day Wolverhampton, serving as a critical location for this crucial encounter. With the combined forces of Mercia and Wessex, they launched a coordinated offensive against the Danish invaders, who underestimated the resolve of the English alliance.As the battle unfolded, strategic positioning, overwhelming numbers, and local support played essential roles. The allied forces engaged in a fierce confrontation that ultimately resulted in significant losses for the Danish army. The victory not only thwarted the immediate threat from Viking raiders but also reinforced the bonds between the Anglo-Saxon kingdoms. This decisive engagement demonstrated a changing tide in the power dynamics in England, revealing a united front against external threats. The aftermath saw the Danish forces retreating, something that would set the stage for further consolidation of power among the Anglo-Saxon kingdoms in the following years.