Question: The Argentine city Crespo holds an annual beer festival based on a German festival that began in what year?
Related documents: [0]  [DOC] Oktoberfest (] ) is the world's largest Volksfest (beer festival and travelling funfair). Held annually in Munich, Bavaria, Germany, it is a 16- to 18-day folk festival running from mid or late September to the first weekend in October, with more than 6 million people from around the world attending the event every year. Locally, it is often called the Wiesn, after the colloquial name for the fairgrounds, Theresa's meadows ("Theresienwiese"). The Oktoberfest is an important part of Bavarian culture, having been held since the year 1810. Other cities across the world also hold Oktoberfest celebrations that are modelled after the original Munich event. [END] 
[1]  [DOC] Crespo is a city in the Argentine province of Entre Ríos, some 40 km from the provincial capital Paraná. It has around 18,000 inhabitants (as per the 2001 census ), most of whom are descendants of Volga Germans who migrated from Russia to Argentina from 1875 onwards. The town's German heritage is reflected in the annual beer festival, based on the Oktoberfest but held in January. The economy is centered in avicultural and other agricultural products. [END] 
Answer: 
1810
1810