The Brutal Forgotten War That Lasted Decades And Reshaped Europe

The Brutal Forgotten War That Lasted Decades And Reshaped Europe

The Conflict Of the Century

While modern culture loves to immortalize WWI and WWII, that means many of the most important, interesting, and intense wars in human history fall by the wayside—but these incredible, terrible stories should not be forgotten.

Not only was the Thirty Years War one of the longest in history, it was one of the most brutal. Let’s dive into why that was.

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The Cause;

In 1619, Habsburg Emperor Ferdinand II became the head of the state of a Holy Roman Empire already in turmoil. The regime change ignited the spark, causing religious conflict to break out throughout the European continent.

Ferdinand didn't help matters.

Portrait Of Ferdinand Ii, Holy Roman EmperorUnknown author, Wikimedia Commons

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The Cause

One of the first things that Ferdinand II did with his power was force citizens of the empire to follow Roman Catholicism. This went in direct contradiction to a treaty that had previously been signed. 

It went about as well as you would expect.

People Celebrating At The Coronation Of Ferdinand IIMetropolitan Museum of Art, Wikimedia Commons

The Cause

The Peace of Augsburg was signed in 1555. This was at the height of the Reformation, and was designed to soothe religious tensions that had been growing. 

The treaty effectively dictated that each prince of a state could dictate which religion they followed—until Ferdinand came around.

Portrait Of Charles V, Holy Roman EmperorTitian, Wikimedia Commons

The Cause

Ferdinand may have been the Big Kahuna, but the problem with his Holy Roman Empire was that it was far from unified. Although they had an emperor, in truth many of the states that made up the empire remained semi-autonomous. 

That might sound preferable, but it meant tensions were constantly high.

Portrait of Ferdinand II (1578–1637), King of Bohemia and later HungaryWikimedia Commons, Picryl

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The Cause

Although Ferdinand II held the figure of power as Emperor of the Holy Roman Empire, he had limited authority over the individual states. His new law threw a match into an already combustible situation. 

The meeting of Emperor Rudolph II and his brother, Archduke MatthiasTolnai, Wikimedia Commons

Defenestration of Prague

All across the Holy Roman Empire, people were...displeased about Ferdinand’s decree. But nowhere was this more felt than with the Bohemian nobility. 

The window (top floor) where the 1618 defenestration occurred.DigitalExtropy, CC BY 3.0, Wikimedia Commons

Defenestration of Prague

In the 1600s, Bohemia was the term used to cover the area that today consists of Austria and the Czech Republic. They were unhappy with Ferdinand II—and an opportunity came to show it in 1618.

Painting by Václav Brožík depicting the third defenestration of PragueVáclav Brožík, Wikimedia Commons

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Defenestration of Prague

What did the people of Bohemia do? Well, they threw Ferdinand’s representative out of the window of Prague Castle. That's one sure-fire way to get things started.

The Defenestration of Prague on a contemporary leafletUnknown author, Wikimedia Commons

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Defenestration of Prague 

The Defenestration of Prague started an open rebellion in Bohemia. This rebellion was made worse for Ferdinand II by the fact that Bohemia wasn't alone; They had the backing of both Sweden and Denmark-Norway. The Thirty Years War was beginning—though none of them realized what they were getting into.

Painting by Václav Brožík depicting the third defenestration of PragueVáclav Brožík, Wikimedia Commons

Bohemian Revolt

Under the law of The Peace of Augsburg, the Bohemian state had primarily chosen to follow the religious teachings of Martin Luther and Protestantism. This was why Ferdinand II’s action hit harder here.

Portrait of Martin Luther wearing a hatLucas Cranach the Elder, Wikimedia Commons

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Bohemian Revolt

As a response to losing their religious freedom, the Bohemians took this as a sign that the empire was no longer serving them. In their effort to do so, they began to tear the empire apart.

Portrait of Ferdinand II King of BohemiaNationalmuseum Stockholm, Picryl

Bohemian Revolt

Sides were being created. The Bohemian nobility formed alliances with the Protestant Union states in what is now Germany, leaving Ferdinand to seek support of his own.

Portrait of Ferdinand II, Holy Roman EmperorJustus Sustermans, Wikimedia Commons

Bohemian Revolt

Ferdinand II turned to his allies in return. He gained support from his nephew, a fellow Catholic, King Philip IV of Spain. With sides picked, the fighting commenced. 

Philip IV in Brown and Silver, a c. 1631–1632Diego Velázquez, Wikimedia Commons

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Bohemian Revolt

The conflict was brutal and had multiple fronts stretched across Eastern Europe. In particular, present-day Austria and Transylvania saw heavy fighting. But as Ferdinand tried to salvage his empire, it continued fracturing further and further apart.

Portrait of Ferdinand II, Holy Roman EmperorUnknown author, Wikimedia Commons

Bohemian Revolt

The sides were getting out of control. The Ottoman Empire was fighting on behalf of the Bohemians, who paid them for their support. In response, they fought the Poles who were siding with the Habsburgs. Something had to break.

The Battle of Sisek in 1593Unknown author, Wikimedia Commons

Catholic League Victories

Although Bohemian had the support of the majority of present-day Germany, the Spanish army was gathering forces. They banded with the so-called “Catholic League,” which consisted of nation-states in present-day Germany, Belgium, and France. 

A Scene of the Thirty Years WarNational Gallery of Art, Picryl

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Catholic League Victories

The forces of the Catholic League saw initial success. They stopped the rebellion that raged to the east and north of Austria, breaking apart the Protestant Union. However, it wasn’t enough.

The Battle on the White MountainPeter Snayers, Wikimedia Commons

Catholic League Victories

The Bohemian states had gained a wide range of support. Fighting continued to the west of Austria. Denmark-Norway’s King Christian IV supported the Protestant states. They held their ground, for a time.

Portrait of Christian IV of DenmarkPieter Isaacsz, Wikipedia Commons

Catholic League Victories

Reinforcements were sent from Scotland to support the fight against the Catholic forces. Unfortunately, that was not enough. Denmark-Norway fell and much of Northern Europe was taken by Ferdinand II. Help, however, was on its way

Christian IV receives homage from the countries of EuropeAdriaen van de Venne, Wikimedia Commons

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Gustavus Adolphus

In 1630, Sweden’s forces were under the leadership of Gustavus Adolphus. They did not appreciate the empire encroaching on their territory, and put their support behind the Protestants fighting in the north. 

Portrait of Gustavus Adolphus, King of SwedenPresumably Jacob Hoefnagel, Wikimedia Commons

Gustavus Adolphus

With the additional support from the Swedes, the Protestants began to see success. They pushed the Catholic forces back and regained much of the territory that had been lost. Yet, it wouldn’t last.

Portrait of Gustav II Adolf of SwedenPeace Palace Library, Wikimedia Commons

Gustavus Adolphus

Tragedy struck in 1632. Gustavus Adolphus was struck down in the Battle of Lutzen, and the Swedes began to lose their resolve. Danger was circling. 

Gustavus Adolphus of Sweden at the Battle of BreitenfeldJohann Jakob Walter, Wikimedia Commons

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Albrecht von Wallenstein

Not all of the Bohemian noblemen were displeased with the empire. Albrecht von Wallenstein saw an opportunity to be made through the chaos of conflict. He struck a bargain with Ferdinand II.

Portrait of Albrecht Von Wallenstein - Bohemian military leaderJulius Schnorr von Carolsfeld, Wikimedia Commons

Albrecht von Wallenstein

In exchange for the freedom to plunder any captured territory, von Wallenstein gave Ferdinand II’s forces use of his army, which reached approximately 50,000 men. The Swedes couldn’t hold on.

Portrait of Albrecht von WallensteinPeace Palace Library, Wikimedia Commons

Peace of Prague

By 1635, the Swedes were defeated. As a result, the so-called Peace of Prague was signed. Despite its name, it did not provide much peace. 

Portrait of John George I, Elector of SaxonyFrans Luycx, Wikimedia Commons

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Peace of Prague

The Peace of Prague protected the Lutheran/Calvinist rulers of Northeastern Germany. However, it left territories that had started the fight, present-day Austria and the Czech Republic, unprotected. The tensions grew and fighting carried on. 

Portrait of Ferdinand II, Holy Roman EmperorGeorg Pachmann, Wikimedia Commons

French Involvement

Although the French were a Catholic nation, they were no friends to the Habsburgs. The way that the Peace of Prague left things upset them. So, nearly 20 years in, the French entered the conflict.

Cardinal Richelieu, French chief minister from 1624 until 1642Philippe de Champaigne, Wikimedia Commons

French Involvement

Unfortunately, the French did not make much impact during their initial involvement. They were unable to counter Ferdinand II’s forces—even when they were no longer his forces.

Portrait of Cardinal de RichelieuPhilippe de Champaigne, Wikimedia Commons

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French Involvement

By this point, the conflict had carried on so long that it had outlasted its initiator. Ferdinand II passed of old age in 1637. His son Ferdinand III took up his father’s fight, and the conflict carried on. 

Portrait Of Emperor Ferdinand IIIJan van den Hoecke, Wikimedia Commons

French Involvement

In response to France’s involvement in the conflict, Ferdinand III (as well as his successor, Leopold I), had Spain mount counterattacks upon French Territory. By 1636, Paris was under danger. 

Scene from the Thirty Years' WarWikimedia Commons, Picryl

French Involvement

For several years following, the conflict on the French-Spanish front stalled. By 1640, however, Spain had internal problems with Portugal and the Swedes re-entered the battle, pushing the Habsburgs back once more. 

The final battle of the war; the Swedish Siege of PragueSkokloster Castle, Wikimedia Commons

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A Shift In The Battle

1643, 25 years after the Defenestration of Prague, saw a significant shift in the conflict. Denmark-Norway rejoined the fight. Only this time they weren’t fighting against the Holy Roman Empire, they were fighting with them. 

Siege and capture of Casale Monferrato by French troopsPeace Palace Library, Wikimedia Commons

A Shift In The Battle

At the same time, France's Louis XIII passed, leaving his throne to his son, Louis XIV, who was five years old. This leadership vacuum significantly weakened the French forces. 

Louis XIV, then Dauphin of France, in 1642Philippe de Champaigne, Wikimedia Commons

A Shift In the Battle

The cards were now stacked significantly in the Empire’s favor. France still managed to wring out some victories, but their losses were far more significant. 

The Habsburg forces were gaining ground quickly, by the standards of this conflict, at least. 

Portrait of Louis XIV of FranceClaude Deruet, Wikimedia Commons

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Capturing Prague

By 1647, the Italian general Octavio Piccolomini led the Habsburg forces. They were moving rapidly across the battlefront, taking up more and more land as they moved. 

Portrait of Count Ottavio PiccolominiAnselm van Hulle, Wikimedia Commons

Capturing Prague

Piccolomini's men moved swiftly into what is now Austria. They repelled the Swedes and French from the area. The only battleground that was left raging was in Prague. 

Engraving of Ottavio PiccolominiPeace Palace Library, Wikimedia Commons

Capturing Prague

The Swedes were not willing to give Prague up without a fight. In 1648, they were able to capture Prague Castle from the Holy Roman Empire, looting the priceless art collection as they did so. However, it wasn’t enough.

At the Hradcany in PragueWikimedia Commons, Picryl

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Capturing Prague

Despite capturing the castle, the Swedes were unable to take the bulk of the city of Prague. At this point, only Austrian territories remained under Habsburg control. The Thirty Years War was finally losing steam.

Historical picture of Old Town Square in PragueWikimedia Commons, Picryl

Peace Of Westphalia

A series of treaties signed throughout 1648 are known collectively as the Peace of Westphalia. These treaties effectively ended the Thirty Years War—however, Europe was never the same.

Dutch envoy Adriaan Pauw enters Münster around 1646Monogrammist G.V.H., Wikimedia Commons

Peace of Westphalia

Thanks to the years of fighting, Spain lost control over Portugal and the Dutch Republic. Former Holy Roman Empire states in German-speaking central Europe gained increased autonomy with the signings. 

Signing of the Peace of Münster between Spain and the Dutch RepublicGerard ter Borch, Wikimedia Commons

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The Legacy

The Peace of Westphalia created fixed boundaries for the countries that were involved in the fighting. It granted this area the autonomy to govern its laws and not bow to that of another institution. 

The proclamation of the Peace of MünsterMaximiliaen Pauwels, Wikimedia Commons

The Legacy

Due to this, the balance of power in Europe was radically altered. The Catholic Church, in particular, lost significant influence over political affairs. It also laid the groundwork for the modern nation-states we have today.

Allegory of Hugo Grotius and the Peace of WestphaliaGerard ter Borch, Wikimedia Commons

The Legacy

The loss of life was significant during the conflict.  This was due not just to the fighting, but an epidemic of typhus which rapidly spread through the areas the conflict had devastated. 

The Peace Hall in Münster's Historic Town HallGünter Seggebäing, CC BY-SA 3.0, Wikimedia Commons

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The Legacy

The religious nature of the conflict also created a lot of discord and distrust between people. It created a fear of the “other,” stirring distrust among those of different ethnicities and religious faiths. The consequences of which are far-reaching.

Proclamation of the treaty of MünsterWenceslaus Hollar, Wikimedia Commons

The Legacy

Due to the distrust and paranoia that spread, this fear of the “other,” it is believed that the first European witch hunts started during this period. While those faded out, we still see some of the prejudices that this conflict created persist today.  

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Peace of Münster black and whiteJonas Suyderhoef, Wikimedia Commons

Sources: 1 


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