A study of absolutism, collapsing empires, and the potentialJacobite alliance in the period 1715-1718 that almost reshaped Europe. En studie av absolutism, kollapsande imperier och den möjliga jakobitiska alliansen under perioden 1715–1718 som nästan omformade Europa..

Limentinus

Charles XII: The King Who Followed No One

Charles XII (1682-1718)

Portrait de Charles XII. Public Domain.
Source: gallica.bnf.fr / Bibliothèque nationale de France

Charles XII’s reign sits at the crossroads of European power politics, absolutist ambition, and dynastic crisis. His life was shaped by war, isolation, and an uncompromising sense of royal duty, yet woven through this story is a lesser‑known but tantalising thread: the possibility of a Swedish–Jacobite alliance in the period 1715-1718. Had it materialised, it might have altered the balance of power in northern Europe and reshaped the fate of the exiled House of Stuart. The idea never progressed beyond informal discussions, but its implications reveal much about Sweden’s foreign policy, the fragility of the Jacobite court, and the shifting diplomatic landscape after the Treaty of Utrecht [1].

Sweden at Its Zenith: A Northern Great Power with European Reach

Sweden under Charles XI and early Charles XII was a formidable military state. Its power rested on three pillars:

A highly disciplined, professional army capable of rapid mobilisation.
A centralised absolutist monarchy, streamlined by Charles XI’s reforms.
A network of Baltic possessions that gave Sweden strategic control over northern trade routes.

This made Sweden a significant player in European diplomacy. Its alliances mattered. Its armies could tip regional conflicts. Its king, young, unmarried, and unencumbered by domestic factions, was a free agent in continental politics.

Sweden’s foreign policy oscillated between defensive Baltic consolidation and opportunistic intervention in wider European struggles. Charles XII’s [1] early victories against Denmark and Russia demonstrated that Sweden could still project power far beyond its borders.

In this context, a Jacobite alliance wasn’t fantasy. It was geopolitically plausible and based on Sweden’s earlier confrontation with the Electorate of Hannover from 1703 onwards.

The Jacobite Court in Exile: Vulnerable, Ambitious, and Seeking Allies

By the early 1700s, the Jacobite court at Saint‑Germain‑en‑Laye was politically fragile. James Francis Edward Stuart, the “Old Pretender”, relied on French protection, but Louis XIV’s priorities shifted dramatically after the War of the Spanish Succession.

The Treaty of Utrecht (1713–1715) forced France to recognise the Hanoverian succession and expel the Stuarts. Without a treaty of their own, the Jacobites were effectively stateless. Their hopes depended on foreign intervention, and Sweden, militarised, mobile, and hostile to Hanoverian interests, appeared a promising partner.

The idea was simple:
Scottish exiles would fund Charles XII, and Sweden would invade Britain via Scotland.

Had this happened, the political map of Britain, and Europe as a whole might have changed.

Charles XII: A King Without Advisors, a Monarch Without Restraint

Portrait of Charles XII of Sweden. Wikimedia Commons, [1] Public Domain.

Charles XII stepped into power at fifteen with no regent and no buffer between himself and the machinery of empire. Unlike most monarchs, he refused to lean on advisors or courtiers. His father, Charles XI, had left him a stable, reformed state, but not a political blueprint. Where the father built, the son fought.

Several traits shaped his rule:

Austere Lutheran discipline and a soldier’s lifestyle.
Admiration for classical and biblical warrior‑kings, especially Alexander the Great.
Rejection of courtly life, marriage, and dynastic planning.
Solitary decision‑making, even in moments of crisis.

His reign became synonymous with the Great Northern War, a conflict that consumed Sweden’s resources and ultimately destroyed its great‑power status. Even in exile after Poltava, Charles remained a figure of immense military charisma, precisely the kind of leader the Jacobites hoped to attract.

A Swedish – Jacobite Alliance: Could It Have Changed History?

The potential alliance raises a provocative question: Would Swedish intervention have transformed the Jacobite cause?

Arguments for a Momentous Turning Point

Sweden possessed one of Europe’s most effective armies, battle‑hardened and mobile.
Britain was politically divided, especially in Scotland, where Jacobite sentiment remained strong.
Hanoverian Britain was vulnerable, with George I newly installed and lacking deep domestic support.
Sweden’s hostility to Hanover (whose Elector was now King of Britain) created a natural alignment of interests.

A Swedish landing in Scotland, backed by exiled Scottish nobles and French Jacobites, could’ve triggered a broader uprising. The political instability of early Georgian Britain made such a scenario plausible.

Arguments Against Its Likely Success

Sweden was overstretched, fighting Russia, Saxony, and Denmark.
Charles XII’s strategic judgement was increasingly erratic, shaped by absolutist rigidity rather than diplomatic calculation.
France had withdrawn support, and without French naval assistance, a Swedish expedition would have been perilous.
The Jacobite court lacked unified leadership, especially after being expelled from Saint‑Germain.

The alliance was a possibility although not a certainty.

The Treaty of Utrecht and the End of the Stuart Presence in France

The Treaty of Utrecht reshaped the diplomatic landscape. France, exhausted by war, sacrificed the Stuarts to secure peace. Without a treaty of their own, the exiled court was ordered to leave Saint‑Germain‑en‑Laye, severing their last stable base of operations.

This moment of displacement coincided with Charles XII’s exile and wandering diplomacy. It was precisely then that the idea of a Swedish – Jacobite alliance flickered into view, too late to be realised, but revealing the desperation and ambition of both sides.

How Historians Interpreted Charles XII: Three Lenses, One Mythic Figure

Voltaire (1731)

Voltaire portrayed Charles XII as a tragic exemplar of heroic excess, brilliant, disciplined, but undone by his own inflexibility. His Histoire de Charles XII framed the king as a moral lesson for Enlightenment readers.

Robert Ker Porter (1813)

Porter cast Charles as a Romantic hero, emphasising dramatic landscapes, battlefield courage, and the emotional intensity of his campaigns. His biography shaped British perceptions of the king throughout the 19th century.

Carl Gustaf Nordström (mid‑19th century)

Nordström offered an archival, national perspective, grounding Charles XII in Swedish political structures and correcting earlier myths. His work remains foundational for modern Swedish historiography.

Despite their differences, all three writers emphasise:

extraordinary personal courage
relentless warfare
a solitary, almost mythic personality
the tension between heroism and downfall

These themes illuminate why Charles XII seemed, for a moment, the perfect ally for the Jacobites, and why the alliance ultimately failed.

A King of Thresholds: Absolutism, War, and the Limits of Solitary Rule

Charles XII ruled alone, fought alone, and died alone. His refusal to marry or name a successor plunged Sweden into uncertainty. His sister Ulrika Eleonora inherited the throne only by surrendering power to the Riksdag, ushering in an era of constitutionalism.

His reign marks a liminal moment in European history:

not quite medieval, because absolutism had reached its zenith
not quite modern, because constitutional monarchy was emerging
caught between heroic kingship and bureaucratic statecraft

He stood at the threshold of change but refused to cross it.

A Turning Point That Never Turned

A Swedish–Jacobite alliance was one of those historical possibilities that flicker briefly and vanish. Had Charles XII committed to it, the consequences might have been profound:

Britain could have faced a northern invasion at a moment of political fragility.
The Hanoverian succession might have been destabilised.
The Jacobite cause could have gained momentum decades before 1745.
Sweden might have reasserted itself as a European power.

Instead, the idea dissolved in the chaos of war, exile, and diplomatic realignment. Charles XII died at Fredriksten, the Stuarts drifted into deeper marginalisation, and Europe quickly moved on.

The episode remains a reminder of how much history depends not only on treaties and armies, but on the decisions of solitary rulers, and the alliances that never quite materialise.

The land of “What ifs”

Charles XII sits at the intersection of collapsing empires, shifting alliances, and the last flickers of absolutist ambition in northern Europe. It was a moment shaped by a warrior‑king without a court and a court without a kingdom, each searching for relevance as the diplomatic order of the early eighteenth century hardened around them.

Several forces converged to make this a genuine, if fleeting, turning point:

Absolutist ambition in Sweden meant Charles XII was one of the few European monarchs capable of acting independently of diplomatic convention. His military state, still formidable despite exhaustion, could have projected power into Britain at a moment of political fragility. His death brought an end to Sweden’s ambitions.
Dynastic legitimacy for the Stuarts and the increasingly powerless ‘Old Pretender‘ depended entirely on foreign intervention. Expelled from Saint‑Germain after Utrecht, they were politically homeless, militarily weak, and desperate for a patron with both motive and means.
Post‑Utrecht diplomacy froze France out of the Jacobite question and strengthened Hanoverian Britain, but it also left Sweden isolated and hostile to the very dynasty now ruling London. The alignment of interests was real, even if unfulfilled.
The decline of Sweden’s Baltic empire created both urgency and opportunity. A bold strike westward might have restored prestige, diverted attention from Russian pressure, and reshaped Sweden’s strategic position.
The rise of Hanoverian Britain introduced a new, untested regime whose legitimacy was far from secure. A Swedish landing in Scotland, backed by exiled nobles, could have destabilised the early Georgian settlement.

Taken together, these dynamics reveal a moment when two weakened powers briefly recognised each other as potential saviours. Neither possessed the stability, resources, or diplomatic freedom to act decisively. Charles XII remained trapped in the logic of solitary kingship; the Stuarts remained trapped in the logic of dynastic nostalgia and military dependence on France. The opportunity passed, and with it the last realistic chance for a foreign‑backed Jacobite restoration.

The episode endures because it illuminates how history often hinges not on inevitability, but on the fragile alignment of ambition, legitimacy, and circumstance.