The Battle of Aughrim (1691)

The Battle of Aughrim (1691)

La Bataille d'Aughrim - Jan Wyk - Public domain

The Battle of Aughrim, though less well known internationally than other events in Irish history, remains a defining moment in the formation of modern Ireland.

The land of Ireland has witnessed many clashes in its tumultuous history, but few have had such far-reaching consequences as the Battleof Aughrim. Taking place on July 12, 1691, this major confrontation of the Williamite War in Ireland left an indelible mark on the country’s political and cultural landscape. A look back at a battle that symbolized a turning point in Irish history.

The Battle of Aughrim in Ireland

Historical background

The Williamite War, also known as the Jacobite War in Ireland, was actually an extension of European dynastic struggles. Pitting the supporters of the deposed and exiled Catholic King James II against those of the Protestant King William of Orange, the war culminated in Ireland, where James hoped to find sufficient support to restore his reign over the British Isles.

The fateful day

The Battle of Aughrim, near Ballinasloe in County Galway, turned out to be one of the bloodiest confrontations in Irish history. Commanded by General St Ruth on the Jacobite side and General Ginkel for the Williamites, the two armies clashed over rugged, swampy terrain, which made maneuvering difficult and intensified the brutality of the fighting.

Estimates of the number of troops engaged on that day vary according to the source, but here is a generally accepted approximation:

  • The Jacobite forces, commanded by General St Ruth, numbered around 20,000 men.
  • The Williamite forces, under the command of General Ginkel, were slightly superior, with around 25,000 men.

Thus, Jacobites were outnumbered by Williamites. However, St Ruth had positioned his troops strategically, using the terrain to his advantage.

Although St. Ruth was confident in his defensive position, relying on the terrain to disrupt the Williamite infantry and cavalry, the soldier hoped to achieve a decisive victory. However, the battle turned tragic for the Jacobites when St. Ruth was decapitated by a cannonball, sowing confusion and disorder among his troops.

The Williamites, exploiting this opportunity, launched a major offensive, overwhelming the Jacobite forces and winning the battle. Casualties were heavy on both sides, but it was the Jacobite army that suffered the most catastrophic losses.

The battle in figures

The Battle of Aughrim is considered one of the bloodiest battles on Irish soil. Exact estimates vary, but it is generally accepted that losses were heavy on both sides.

On the Jacobite side, losses are estimated at around 5,000 to 7,000 men, which was a significant part of their armed force. Many were killed during the battle itself, while others were shot down during their retreat or drowned in nearby swamps and rivers.

Williamite forces also suffered casualties, though far fewer than their opponents. Estimates vary, but generally range from 1,000 to 2,000 men.

It is essential to note that, as with many battles of this era, exact figures can be difficult to determine precisely due to the absence of detailed records and variations in historical reports. However, there’s no doubt that the battle of Aughrim was devastating in terms of human lives.

Consequences of the battle

The defeat at Aughrim marked the effective end of Jacobite hopes in Ireland. Shortly afterwards, Limerick, the last Jacobite stronghold, surrendered to William of Orange’s forces.

This event led to the signing of the Treaty of Limerick, whose terms, though generous at the outset, were later widely flouted, placing Irish Catholics under a regime of legal discrimination that would endure for over a century.

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