Frederick the Great

Introduction

Frederick II of Prussia, better known as Frederick the Great, was one of the most consequential European rulers of the eighteenth century. Reigning from 1740 to 1786, he transformed the comparatively scattered and vulnerable territories of the Hohenzollern monarchy into a major European power. His seizure and retention of Silesia, battlefield victories during the Seven Years’ War, administrative reforms, patronage of philosophy and music, and participation in the First Partition of Poland reshaped the political map of Central Europe.

Frederick embodied many of the contradictions of the Enlightenment age. He corresponded with Voltaire, wrote philosophical and historical works, promoted religious toleration, reformed parts of the legal system, and described a sovereign as the first servant of the state. Yet he ruled as an absolute monarch, preserved aristocratic privilege and serfdom, used censorship when it suited him, and repeatedly pursued territorial objectives through war. His government was rationalizing rather than democratic: it sought a stronger, more efficient monarchy, not popular sovereignty.

As a commander, Frederick became famous for speed, discipline, oblique attacks, and an extraordinary willingness to accept risk. Victories at Rossbach and Leuthen in 1757 made him a military legend, although severe defeats at Kolín and Kunersdorf revealed the limits of his methods. His survival in the Seven Years’ War ensured that Prussia would remain a great power and helped establish the Austro-Prussian rivalry that shaped German and European history for another century.

Frederick’s reputation has consequently changed over time. Admirers have praised him as an enlightened ruler, cultivated musician, determined war leader, and builder of the Prussian state. Critics emphasize aggressive warfare, autocratic government, social inequality, anti-Polish prejudice, and the later misuse of his image by German nationalists and militarists. Understanding Frederick requires holding these achievements and failures together rather than reducing him either to an enlightened philosopher-king or to a simple apostle of conquest.

Quick Facts

Early Life and Education

Frederick was born in Berlin on 24 January 1712, the eldest surviving son of Crown Prince Frederick William and Sophia Dorothea of Hanover. His grandfather, Frederick I, was the first Hohenzollern ruler to assume the Prussian royal title. When Frederick William became king in 1713, the young prince became heir to a monarchy whose territories were dispersed across northern and western Germany and along the Baltic coast.

Frederick’s father, Frederick William I, became known as the Soldier King. He was austere, intensely religious, financially disciplined, and obsessed with the army. Under him, Prussia maintained a military establishment unusually large in relation to its population. The king expected his heir to become a dutiful soldier, administrator, and patriarch in the same mold.

The crown prince developed very different interests. Tutored chiefly in French, the language of European courts and Enlightenment culture, he loved poetry, philosophy, literature, and music. He became an accomplished flutist and later composed numerous sonatas, concertos, marches, and other works. He preferred French cultural models and had only limited affection for the German literary culture of his day. His intellectual formation included Protestant religious instruction, history, political thought, and military studies, but his father discouraged what he regarded as excessive refinement.

The difference between father and son produced a profoundly troubled relationship. Frederick William subjected the prince to humiliations and physical violence, sometimes in public. Frederick’s growing resistance, debts, friendships, and interest in escaping court discipline increased the conflict.

In 1730, at the age of eighteen, Frederick attempted to flee Prussia while accompanying his father on a journey. His close companion, Lieutenant Hans Hermann von Katte, helped with the plan. The attempt failed. Frederick was arrested, imprisoned at Küstrin, and threatened with prosecution for desertion. Katte was convicted by a military court and executed. On the king’s orders, Frederick was forced to witness—or at least was positioned to witness—the execution from his prison. The episode was a severe personal trauma and a decisive lesson in the realities of dynastic power.

Frederick eventually reconciled sufficiently with his father to resume military and administrative duties. In 1733 he married Elisabeth Christine of Brunswick-Wolfenbüttel-Bevern, a match arranged for political reasons. The couple had no children and lived largely separate lives after Frederick became king.

From 1736, Frederick resided mainly at Rheinsberg Palace, where he assembled a cultivated circle, studied government and warfare, composed music, and corresponded with intellectuals. His best-known early political work was the Anti-Machiavel, written in French and published by Voltaire in 1740. It attacked the cynical doctrines associated with Niccolò Machiavelli’s The Prince and argued that rulers had moral obligations toward their subjects. The contrast between its idealism and Frederick’s subsequent seizure of Silesia would become one of the central ironies of his career.

Rise to Prominence

Frederick became king on 31 May 1740 following his father’s death. He inherited a disciplined army of about 80,000 men, substantial financial reserves, an effective bureaucracy, and a state whose military strength exceeded what its population and fragmented geography might suggest. At first, he adopted several measures that encouraged hopes of enlightened government. He relaxed censorship, opposed judicial torture in most cases, and signaled support for religious toleration.

Within months, however, he made the decision that defined his reign. In October 1740, Holy Roman Emperor Charles VI died without a male heir, leaving his daughter Maria Theresa to defend the Habsburg inheritance. Frederick revived disputed Hohenzollern claims to parts of Silesia, but strategic and economic considerations were more important. Silesia was populous, industrially productive, geographically adjacent to Prussia’s core territories, and richer than many Hohenzollern lands.

In December 1740, Frederick invaded Silesia without first securing an agreed settlement with Maria Theresa. The move began the First Silesian War, part of the wider War of the Austrian Succession. At Mollwitz in April 1741, the Prussian infantry and Field Marshal Kurt Christoph von Schwerin recovered the battle after Frederick had left the field when the situation appeared desperate. The experience taught the young king important lessons about command, cavalry, and battlefield uncertainty.

Prussia’s victory and subsequent campaigns forced Austria to cede most of Silesia and the County of Glatz in the Treaty of Breslau and Treaty of Berlin in 1742. Fearing that Austria might reverse the settlement, Frederick reentered the conflict in 1744. During the Second Silesian War, victories at Hohenfriedberg, Soor, and Kesselsdorf secured the territory again. The Peace of Dresden in 1745 confirmed Prussian possession of Silesia.

The conquest dramatically increased Prussia’s population, revenue, and economic resources. It also made Maria Theresa and Austria determined to recover the province. From this point onward, Frederick stood at the center of European diplomacy.

Major Achievements and Contributions

Establishing Prussia as a Great Power

Frederick’s foremost geopolitical achievement was the preservation and expansion of Prussia. When he inherited the throne, the Hohenzollern monarchy was militarily formidable but territorially fragmented and politically secondary to Austria, France, Russia, and Britain. By the end of his reign, Prussia was universally treated as a major European power.

The acquisition of Silesia was crucial. The province contained textile production, mines, commercial towns, fertile land, and a large tax base. Frederick invested in its administration and economic integration while permitting its Catholic population to practice its religion under a Protestant dynasty.

His survival in the Seven Years’ War was equally important. Prussia faced a coalition that included Austria, Russia, France, Sweden, and the Holy Roman Empire. Although British subsidies and allied operations in western Germany helped, Frederick’s state endured repeated invasions, enormous casualties, and near collapse. The Treaty of Hubertusburg in 1763 restored the prewar territorial position and definitively confirmed Prussian control of Silesia.

Military Innovation and Leadership

Frederick did not invent every method associated with the Prussian Army; many foundations had been laid by his father and earlier commanders. Nevertheless, he refined its operational effectiveness. He emphasized rapid movement, strict discipline, concentrated firepower, and the ability to deploy quickly from marching formation into line of battle.

His most famous tactical device was the oblique order, in which one wing was strengthened and advanced against a vulnerable portion of the enemy while the other was withheld. Its success depended on terrain, timing, drill, and surprise. Leuthen was its classic demonstration, but it was not a universal formula and could fail against alert or well-positioned opponents.

Frederick also improved cavalry performance under commanders such as Friedrich Wilhelm von Seydlitz and Hans Joachim von Zieten. His operations influenced generations of soldiers, including Napoleon Bonaparte, although later admirers sometimes converted his flexible practices into rigid doctrine.

Government and Law

Frederick worked intensely, read reports, corresponded with officials, and intervened personally in many decisions. He inherited a centralized administrative structure and expanded its reach. His ideal was a professional state directed by a hardworking monarch whose decisions were guided by reason and public utility.

He restricted the use of judicial torture soon after taking the throne, though exceptions remained for serious offenses such as treason and certain forms of murder. He sought greater consistency in law and encouraged the development of a comprehensive legal code. The resulting General State Laws for the Prussian States were not promulgated until 1794, after his death, but the codification project reflected priorities advanced during his reign.

The famous Miller Arnold case of the 1770s showed both Frederick’s concern for ordinary subjects and the dangers of personal monarchy. Believing judges had denied justice to a miller in a dispute with a nobleman, he dismissed and imprisoned judicial officials. Later assessments found that he had misunderstood important facts. The episode made him appear a defender of the weak, but it also demonstrated how royal intervention could undermine judicial independence.

Religious Toleration

Frederick was religiously skeptical and had little sympathy for doctrinal conflict. He generally treated religion as a matter of conscience and state policy rather than personal faith. Catholics in Silesia retained freedom of worship, French Huguenots remained welcome, and various Protestant communities coexisted within his lands. He was willing to admit Jesuits after their order was suppressed elsewhere because he valued them as educators.

This toleration was broad by eighteenth-century standards but not equivalent to modern religious equality. Jewish residents faced special taxes, occupational restrictions, residence controls, and official categorization according to economic usefulness. Frederick could therefore be tolerant in principle while maintaining discriminatory regulations in practice.

Economic and Agricultural Development

Frederick promoted agriculture, manufacturing, settlement, and infrastructure through the interventionist policies often described as cameralism. He supported drainage and land-reclamation projects, especially in the Oderbruch, encouraged immigration into underpopulated areas, and attempted to expand silk, porcelain, and textile production.

He became popularly associated with the introduction and cultivation of the potato in Prussia. Potatoes were already known in German lands, and no single ruler introduced them, but Frederick issued orders encouraging their cultivation as a safeguard against grain shortages.

After the Seven Years’ War, he distributed seed grain and horses, reduced some taxes, and supported reconstruction in devastated regions. His economic policies could be energetic and practical, although state monopolies, excise taxes, and protectionist controls also burdened consumers and producers.

Culture, Philosophy, Architecture and Music

Frederick saw himself as a participant in the European Republic of Letters. He corresponded with Voltaire and other intellectuals, wrote histories and political essays in French, and welcomed scholars to the Berlin Academy of Sciences. His court helped make Berlin and Potsdam centers of Enlightenment culture.

At Potsdam he built Sanssouci, the Rococo palace whose name means without care. It became his preferred retreat, where he played the flute, discussed philosophy, kept greyhounds, and entertained selected guests. Major architectural projects also included the New Palace, the Berlin State Opera, and renovations throughout the royal residences.

In 1747, Johann Sebastian Bach visited Frederick’s court, where Bach’s son Carl Philipp Emanuel served as a musician. Frederick presented Bach with a musical theme and challenged him to improvise upon it. Bach subsequently developed the theme in The Musical Offering, one of the most remarkable compositions connected with Frederick’s cultural patronage.

Key Works / Battles / Ideas

Anti-Machiavel

Written before Frederick became king, Anti-Machiavel argued that rulers should pursue justice, peace, and the welfare of their subjects rather than deception and self-interest. Voltaire edited and published it in 1740. Frederick’s invasion of Silesia soon afterward exposed the gap between philosophical principle and political practice.

The First Servant of the State

Frederick’s model of kingship is often summarized by his description of the sovereign as the first servant of the state. The king was not democratically accountable, but he was expected to work tirelessly for public welfare, military security, and efficient administration. Historians commonly classify this approach as enlightened absolutism.

Battle of Hohenfriedberg, 1745

Frederick surprised and defeated an Austro-Saxon army during the Second Silesian War. The victory demonstrated improved coordination among Prussian infantry and cavalry and helped secure Silesia.

Battle of Rossbach, 1757

At Rossbach, Frederick defeated a much larger Franco-Imperial army through rapid maneuver and a devastating cavalry attack led by Seydlitz. The battle lasted only about ninety minutes and established Frederick’s reputation throughout Protestant Europe.

Battle of Leuthen, 1757

One month after Rossbach, Frederick confronted a much larger Austrian army in Silesia. By concealing his movements and concentrating against the Austrian left, he achieved a decisive victory. Leuthen is often regarded as his tactical masterpiece.

Battle of Zorndorf, 1758

Zorndorf was an exceptionally bloody and confused confrontation between Prussian and Russian forces. Frederick prevented a clear Russian strategic victory, but both armies suffered enormous losses. The battle illustrated the brutal attritional character of eighteenth-century warfare.

Battle of Kunersdorf, 1759

At Kunersdorf, Frederick attacked a strongly positioned Russo-Austrian army. Initial success encouraged him to continue rather than disengage, and his exhausted troops were crushed. Prussia appeared close to disaster. Frederick later acknowledged the scale of the catastrophe in despairing correspondence.

The Partitions of Poland

In 1772, Prussia joined Russia and Austria in the First Partition of the Polish–Lithuanian Commonwealth. Frederick acquired most of Royal Prussia, excluding Danzig and Thorn, thereby connecting Brandenburg with East Prussia. He then adopted the title King of Prussia; previously the Hohenzollern royal style had technically been King in Prussia.

The acquisition was strategically valuable but morally and politically controversial. It involved the coercive dismemberment of a neighboring state, and Frederick expressed disparaging views of Poles. The partition remains one of the darkest aspects of his foreign policy.

Timeline of Key Events

Personal Life and Character

Frederick was disciplined, intellectually curious, witty, sarcastic, and capable of immense sustained labor. He typically rose early, reviewed reports, dictated correspondence, inspected troops, and devoted evenings to music or conversation. He cultivated a deliberately austere public image, often wearing an old blue military coat and simple boots rather than elaborate court dress.

His marriage to Elisabeth Christine produced no children and little emotional intimacy. After becoming king, Frederick largely excluded her from his personal court at Sanssouci, although she retained an official position and residence. He referred to her respectfully on some public occasions but seldom sought her company.

Frederick’s closest emotional relationships were generally with men, including Katte and members of his cultivated circle. No conclusive evidence documents a consummated sexual relationship, and historians continue to debate his sexuality. Many modern scholars consider it plausible that he was primarily attracted to men, but responsible biography distinguishes inference from proof. What is clear is that his marriage was distant, he had no acknowledged mistresses or children, and his intimate social world was overwhelmingly male.

His friendship with Voltaire was intellectually brilliant but personally volatile. Years of correspondence culminated in Voltaire’s residence at Potsdam from 1750. Quarrels involving status, money, rival scholars, and Frederick’s controlling behavior led to a bitter break in 1753. They later resumed correspondence without recovering their former closeness.

Frederick loved Italian greyhounds and permitted them unusual freedom at Sanssouci. He requested burial beside them on the palace terrace. His music was not merely ceremonial: he practiced the flute seriously and employed distinguished musicians, including Carl Philipp Emanuel Bach, Franz Benda, and Johann Joachim Quantz.

War and age hardened his personality. After the Seven Years’ War, he became increasingly isolated, cynical, and impatient. Yet he remained exceptionally active in administration almost until his death.

Challenges and Controversies

Frederick’s greatest challenge was the Seven Years’ War. His invasion of Saxony in 1756 was intended as a preemptive response to encirclement by Austria, Russia, and France, but it was also an act of aggression against a neutral electorate. Prussia forcibly used Saxon resources and incorporated captured Saxon soldiers into its army, many of whom deserted.

The war devastated Prussian lands and caused enormous military and civilian suffering. Frederick displayed resilience and operational brilliance, but he also made costly decisions. At Kolín he pressed an attack against unfavorable conditions. At Kunersdorf he refused to accept a limited success and nearly destroyed his army. Prussia’s survival depended not only on his leadership but also on British financial assistance, the endurance of officials and civilians, mistakes by enemy coalitions, and Russia’s political reversal in 1762 after the death of Empress Elizabeth.

His status as an enlightened ruler also requires qualification. Frederick opposed some forms of torture and promoted religious coexistence, but he never attempted to create representative government. The monarchy censored material it considered politically or religiously dangerous, and the press was not consistently free.

The agrarian economy east of the Elbe remained dependent upon noble estates and serf labor. Frederick relied on the Junker nobility as army officers and local authorities and did not abolish their social privileges. He introduced limited protections on crown domains but avoided comprehensive emancipation. His concern for efficient government therefore coexisted with a hierarchical social order.

His policies toward Poles were particularly harsh. In territories acquired during the First Partition, Prussian rule pursued administrative integration and colonization. Frederick’s correspondence contained contemptuous ethnic stereotypes. The partition itself strengthened Prussia but weakened the principle of state sovereignty and contributed to the eventual destruction of the Polish–Lithuanian Commonwealth.

His economic policies were similarly mixed. Land reclamation, settlement, and postwar reconstruction produced real benefits, but monopolies and indirect taxation could be intrusive. Tobacco, coffee, and other goods were subjected to controls designed to increase revenue, and enforcement was unpopular.

Finally, Frederick’s posthumous image became controversial. Nineteenth-century nationalists presented him as a precursor of German unification, while later militarists emphasized his victories and discipline. The Nazi regime appropriated his image for propaganda, especially during the final months of the Second World War. This later exploitation should not be projected simplistically backward onto an eighteenth-century monarch, but it remains part of the history of his reputation.

Death and Immediate Aftermath

Frederick suffered increasingly from gout, respiratory illness, and other ailments in his final years. He continued to supervise state business despite declining health. He died in an armchair at Sanssouci on 17 August 1786, aged seventy-four, after a reign of more than forty-six years.

Because he had no children, he was succeeded by his nephew Frederick William II, the son of his younger brother Augustus William. The new king inherited a larger, wealthier, and more prestigious state, as well as a powerful army and heavily centralized administration.

Frederick had wanted to be buried on the terrace at Sanssouci beside his greyhounds. His successor instead had him interred in the Potsdam Garrison Church beside Frederick William I. During and after the Second World War, his remains were moved several times for protection. In 1991, following German reunification, Frederick was finally reburied on the terrace at Sanssouci in accordance with his wishes.

The immediate European response combined admiration with relief. Frederick had dominated continental politics for decades. His death ended an era, but the great-power position he had secured for Prussia endured.

Legacy and Influence Today

Frederick’s most durable political legacy was the establishment of Prussia as Austria’s German rival. His conquests and military survival created the balance from which nineteenth-century Prussian leaders later pursued German unification. He did not design the German Empire founded in 1871, and his own identity was dynastic and Prussian rather than nationalist in the later sense, but his reign supplied essential territorial and institutional foundations.

Military academies continue to study Rossbach, Leuthen, and the campaigns of the Seven Years’ War. Frederick’s emphasis on speed, concentration, intelligence, discipline, and the destruction of enemy forces influenced European operational thought. Modern analysis also emphasizes his failures and the danger of turning historically contingent victories into timeless rules.

In political history, Frederick remains a leading example of enlightened absolutism. He applied Enlightenment language to monarchy, legal reform, religious policy, and administration without surrendering sovereign authority. His reign therefore helps explain both the reach and the limits of eighteenth-century reform from above.

His cultural legacy survives at Sanssouci, in his compositions for flute, in his historical and philosophical writings, and in works inspired by his court. Bach’s Musical Offering gives Frederick an enduring, if indirect, place in the history of Western music.

Present-day scholarship generally rejects both uncritical hero worship and one-dimensional condemnation. Frederick was a gifted commander who made grave strategic errors, a tolerant skeptic who upheld discriminatory regulations, a servant of the state who identified the state with dynastic monarchy, and a patron of reason who repeatedly resorted to conquest. His enduring importance lies partly in those contradictions.

Famous Quotes

Translations from Frederick’s French and German vary. The following statements are drawn from, or closely associated with, his documented writings and official annotations.

“The sovereign is the first servant of the state.”
— Essay on the Forms of Government and the Duties of Sovereigns, 1777

“A well-conducted government must have a concept so coherent that it could be likened to a system of philosophy.”
— Essay on the Forms of Government and the Duties of Sovereigns, 1777

“The prince is to the society he governs what the head is to the human body.”
— Essay on the Forms of Government and the Duties of Sovereigns, 1777

“Reason must be the rule and guide of a king.”
— From Frederick’s political writings on monarchy

“All religions are equal and good, if only the people who profess them are honest people.”
— Official marginal instruction concerning religious toleration, 1740

“Here everyone must be allowed to seek salvation in his own fashion.”
— Official marginal instruction, 1740; commonly rendered as “Everyone may go to heaven in his own way”

Frequently Asked Questions

Why was Frederick II called Frederick the Great?

The honorific reflected his military victories, territorial acquisitions, administrative energy, and success in raising Prussia to great-power status. It became especially widespread after his victories at Rossbach and Leuthen and his survival in the Seven Years’ War.

Was Frederick the Great an absolute monarch?

Yes. Frederick ruled without an elected national legislature controlling his government. He considered himself bound by duty, reason, and the welfare of the state, but he did not accept popular sovereignty. The term enlightened absolutist captures his combination of reforming ideas and autocratic authority.

What territory did Frederick conquer from Austria?

He conquered most of Silesia and the County of Glatz during the Silesian Wars. Austria retained a smaller area usually called Austrian Silesia. The province’s population, manufacturing, mines, and revenue greatly strengthened Prussia.

Did Frederick the Great win the Seven Years’ War?

Prussia survived the war and retained Silesia, which amounted to a major strategic success. Frederick did not win every battle and gained no major new territory in the final peace. Prussian survival resulted from military resilience, British support, coalition difficulties, and Russia’s withdrawal from the war in 1762.

Was Frederick the Great a philosopher?

He was a serious political writer and active participant in Enlightenment debate, although he is remembered primarily as a ruler. His works included Anti-Machiavel, political essays, poetry, correspondence, and histories of his reign and dynasty.

Did Frederick meet Johann Sebastian Bach?

Yes. Bach visited Potsdam in May 1747 and performed before Frederick. The king supplied a musical theme on which Bach improvised. Bach later used it as the basis for The Musical Offering, dedicated to Frederick.

Was Frederick the Great religiously tolerant?

He was unusually tolerant for his period and allowed several Christian denominations to practice openly. His skepticism made him hostile to religious persecution. Nevertheless, toleration was incomplete, particularly for Jewish residents, who remained subject to discriminatory legal and economic restrictions.

Did Frederick the Great introduce the potato to Prussia?

He did not single-handedly introduce it, since potatoes were already present in Europe and German territories. He did actively promote their cultivation through official orders, especially because potatoes could reduce dependence on grain and help prevent famine.

Lessons We Can Learn

1. Preparation creates opportunity. Frederick inherited an army and administration painstakingly developed by his father. His achievements demonstrate that dramatic success often depends on institutions built long before a celebrated leader takes command.

2. Adaptability matters more than reputation. Frederick learned from Mollwitz, rebuilt his cavalry, and adjusted his methods. His defeats at Kolín and Kunersdorf also show what happens when confidence hardens into inflexibility.

3. Ideas should be measured against actions. The moral principles of Anti-Machiavel did not prevent Frederick from invading Silesia or participating in Poland’s partition. Historical judgment must compare what leaders profess with what they actually do.

4. Reform from above has limits. Efficient administration and religious toleration improved aspects of Prussian life, but they did not remove serfdom, aristocratic privilege, or autocracy. Benevolent intentions are no substitute for durable rights and accountable institutions.

5. Great achievements can carry heavy costs. Frederick elevated Prussia, but warfare devastated communities and killed tens of thousands. Strategic brilliance should never obscure the human consequences of conquest and state rivalry.

Further Reading

• Tim Blanning, Frederick the Great: King of Prussia — A comprehensive modern biography balancing politics, warfare, culture, and personality.
• Christopher Clark, Iron Kingdom: The Rise and Downfall of Prussia, 1600–1947 — An authoritative history placing Frederick within the longer development of the Prussian state.
• Dennis Showalter, Frederick the Great: A Military History — A detailed examination of Frederick’s campaigns, army, strategy, and command style.
• Nancy Mitford, Frederick the Great — A lively and influential biography, though best read alongside more recent scholarship.
• David Fraser, Frederick the Great: King of Prussia — An accessible study emphasizing Frederick’s leadership and military career.