Pilsner (also pilsener or simply pils) is a type of pale lager. It took its name from the city of Pilsen (Plzeň, Bohemia, Czech Republic, where it was first produced in 1842). The original Pilsner Urquell beer is still produced there today.
The City of Pilsen began brewing in 1295, but until the mid-1840s, most Bohemian beers were top-fermented. The taste and standards of quality often varied widely, and in 1838, consumers dumped whole barrels to show their dissatisfaction. The officials of Pilsen founded a city-owned brewery in 1839, called Měšťanský pivovar Plzeň (German: Bürger-Brauerei, English: Citizens' Brewery - now Pilsner Urquell), which should brew beer according to the pioneering Bavarian style. Brewers had begun aging beer made with bottom-fermenting yeasts in caves (lager, i.e. German: gelagert [storage]), which improved the beer's clarity and shelf-life. Part of this research benefited from the knowledge already expounded on in a book (printed in Hebrew in 1794, in Czech in 1799), written by Czech brewer František Ondřej Poupě (Ger: Franz Andreas Paupie) (1753–1805) from Brno.
The Pilsen brewery recruited the Bavarian brewer Josef Groll (1813–1887) who, using new techniques and paler malts, presented his first batch of modern pilsner on 5 October 1842. The combination brighter malt prepared by English technology, Pilsen's remarkably soft water, local Saaz noble hops from nearby Žatec and Bavarian-style lagering produced a clear, golden beer that was regarded as a sensation. Three years later in 1845, Groll returned to Vilshofen and there later inherited his father's brewery.
In 1853 the beer was available in 35 pubs in Prague, in 1856 came to Vienna and in 1862 to Paris. Improving transport and communications also meant that this new beer was soon available throughout Europe, and the Pilsner style of brewing was soon widely imitated. In 1859, “Pilsner Bier” was registered as a brand name at the Chamber of Commerce and Trade in Pilsen. In 1898, the Pilsner Urquell trade mark was created to put emphasis on being the original brewery.
Modern pilsners 
The introduction to Germany of modern refrigeration by Carl von Linde in the late 19th century eliminated the need for caves for beer storage, enabling the brewing of bottom-fermenting beer in many new locations. Until recently the Pilsner Urquell brewery fermented its beer using open barrels in the cellars beneath their brewery. This changed in 1993 with the use of large cylindrical tanks. Small samples are still brewed in a traditional way for taste comparisons.
A modern pilsner has a very light, clear colour from pale to golden yellow and a distinct hop aroma and flavour. The alcohol strength is typically around 4.5%-5% (by volume), if pilsner is brewed stronger, it is usually labeled "Export". Pilsners compete in categories like "European-Style Pilsner" at the World Beer Cup or other similar competitions.
Pilsner beer styles 
- German-style Pilsner
- Czech-style Pilsner
- European-style Pilsner
See also 
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- American-style lager
- Beer in Belgium
- Beer in Bosnia
- Czech beer
- Beer in Denmark
- Beer in France
- Beer in Germany
- Beer in the Netherlands
- Beer in Poland
- Beer in Finland
- Jackson, Michael. "Prague: twinned with Burton-upon-Trent". The Beer Hunter. Retrieved 28 April 2011.
- "Plzeňský Prazdroj, a. s.". www.prazdroj.cz. Retrieved 17 October 2009.
- Basařová G.: Der legendäre böhmische Brauer František Ondřej Poupě (Franz Andreas Paupie) 1753-1805. Jahrbuch 2003 Gesellschaft für die Geschichte und Bibliographie des Brauwesens E.V. (GGB), (2003) 1, 128-146.
- "Altbier im Alltag" by Genno Fonk, 1999, page 11