Nearly every pale lager sold on earth is a descendant of one beer brewed in the Bohemian city of Plzeň, and the reason it won has nothing to do with mystery and everything to do with plumbing: soft water, a new way of drying malt, a spicy local hop and cold cellars cut into sandstone. The beer appeared in 1842 at a communal brewery the city's citizens had built because they were angry about the quality of what they were already paying for. Within a generation brewers across Europe were copying it, and within a century the name of the town had become the name of the style.
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What To Know When You Order A Pilsner
- Read the number on a Czech label as the gravity of the wort going in, not as the strength of what comes out.
- Look for the word Bohemian-style on the board, since a beer called simply pils is usually the drier German reading of the same invention.
- Judge the beer on a fuller, rounded malt backbone rather than on sharpness, because decoction is what separates a Bohemian lager from a drier one.
- Expect more body and a softer herbal bitterness than a German pils gives you, since the two are cousins rather than twins.
What Actually Happened In 1842
Plzeň brewed dark, cloudy, top-fermented beer the way most of Central Europe did, and the citizens did not like it enough to keep paying blindly. In 1839 they pooled their money and built a communal brewery, the Měšťanský pivovar or Bürgerliches Brauhaus, with the stated intention of brewing the newer Bavarian bottom-fermented style, which was clearer, cleaner and kept better. They hired a brewer from Waldhausen in Bavaria, Josef Groll, who brewed the first batch in 1842 and saw it go on sale the same year. What the town got for its money was a bright golden beer with a firm, bitter edge and none of the haze its neighbours sold.
That is the whole story, and it is worth stating plainly, because the version that circulates online has Groll inventing a style by accident in a brewery that had existed for centuries. The brewery was new, the money was new, and the beer was a deliberate import of a foreign method made with local materials.
Why The Beer Looked Like Nothing Else
Four things made the 1842 beer new, and none of them was a secret. The malt was pale because it was dried gently rather than over an open wood fire, which is the difference between a golden glass and a brown one. The water in Plzeň is soft and low in sulphate, and soft water lets a brewer use a lot of hops without the bitterness turning harsh and metallic. The hops were the noble variety grown around the town of Žatec, known to the international trade by its German name of Saaz, and they give pepper and herbs rather than citrus. Then the beer was fermented cool and stored for weeks in the sandstone cellars beneath the brewery, which is what lagering is and where the Czech word ležák comes from.
The process detail that survived is decoction, in which portions of the mash are boiled and returned, and at Plzeň this happens in copper kettles. It costs time and fuel and it produces the fuller, rounded malt backbone that separates a Bohemian beer from the drier lagers brewed in the same style elsewhere.
The Town That Named A Style
Pilsen is the German name for Plzeň, and Urquell was the brewery's claim to be the original source of it. The name stuck so completely that pilsner stopped meaning a beer from one town, became a style, then a category, then a default. Most of the lager the world drinks without thinking about it is built on that template of pale malt, soft water, noble hops and cold storage, including industrial versions a Czech brewer would barely recognize.
One Czech naming habit is worth learning before you buy a bottle there, because it looks like a strength and is not. Czech beers are classified by the gravity of the wort going into fermentation, so a 10° is a lighter session beer and a 12° is a standard ležák. The number measures the sugar available to the yeast rather than the alcohol in the glass, which is why a Czech 12° typically lands somewhere near the strength of a lager you would call standard at home.
What The Brewery Looks Like Now
The claim that Pilsner Urquell still operates in a works much as it did in 1842 does not survive contact with the place. This is a large industrial plant that fills about 120,000 bottles an hour, a capacity the brewery doubled in 2008, and it has been owned by the Japanese brewer Asahi since 2017, when Asahi bought the Central European business that also carries Kozel and Radegast. What survived is the method rather than the buildings, along with the thing visitors actually come for: a glass of unfiltered, unpasteurized beer drawn from the tanks in the cellars under the brewery. That beer is not what leaves in a can, and the difference is worth noticing if anyone ever pours you one in the cellars.
Bohemia Had Beer Long Before Plzeň
Bohemian brewing is a thousand years old, and the popular claim that Pilsner Urquell is the oldest brewery in the Czech Republic is simply wrong. The Břevnov monastery brewery in Prague was brewing by 993 and holds that record. The Černá Hora brewery in Moravia dates to 1298, Bohemia Regent to 1379 and the U Fleků house in Prague to 1499, each of them centuries older than the 1842 beer that gave the world its favourite style. Plzeň's real claim is narrower and stronger: not the oldest brewery, but the one whose recipe everybody else copied. The country also drinks more beer per person than anywhere else on earth, which is the rare statistic in this subject that survives being checked.
Frequently Asked Questions About Czech Pilsner
Where was the pilsner style invented?
Pilsner was invented in Plzeň, a city in western Bohemia, at the communal brewery the citizens built in 1839 and which first brewed the beer in 1842 under the Bavarian-trained brewer Josef Groll. The town's German name, Pilsen, is what the style is called in most languages, and the brewery's own name, Pilsner Urquell, means the original source from Pilsen.
Is Pilsner Urquell the oldest brewery in the Czech Republic?
No, and this is the most repeated error in English-language writing about Czech beer. Pilsner Urquell is the youngest of the country's historic breweries by several centuries, founded with the beer in 1839. The Břevnov monastery brewery was brewing in 993, Černá Hora in 1298, Bohemia Regent in 1379 and U Fleků in 1499. What makes Plzeň famous is influence rather than age.
Which hops define a Bohemian pilsner?
Saaz does, the noble hop grown around Žatec in northwestern Bohemia, and the name on the bottle is usually the German one. It is a low-alpha, aromatic hop that gives pepper, herbs and a faint floral note, and the soft local water allows brewers to use generous amounts of it without the bitterness turning sharp.
Is a Bohemian pilsner the same as a German pils?
They are cousins, not twins, and the difference shows in the first sip. German pilsners are generally paler, drier and more carbonated, with a snappier bitter finish, while the Bohemian version keeps more body, a rounder malt sweetness from decoction and a softer, herbal bitterness. If a beer tastes bready and slightly sweet underneath the hops, it is working in the Plzeň tradition.
What does the number on a Czech beer label mean?
It is the original gravity of the wort, the dissolved extract available to the yeast before fermentation, written in degrees. A 10° is a lighter beer and a 12° is a standard lager, so the number tells you how the beer was built rather than how strong it finished. Expect a Czech 12° to sit around the middle of the strength you would call normal at home.
Why This Matters At A Tap In British Columbia
The pilsner on a tap near you is very likely a descendant of this recipe, and the gap between a good one and a thin one comes down to the same four things that made the first batch: pale malt, soft water, a noble hop and time in the cold. Read the wording on the board. A brewer who says Bohemian-style, or who leaves it unfiltered, is aiming at the fuller Plzeň model, while a beer that is simply called pils is more likely to be the drier German reading of the same town's invention. That distinction is the most useful thing a thousand-year-old brewing region has to offer a modern drinker.
