ocr: Gamous Dates in BEER History R81770-90 Use of thermometer in brewing introduced by Frantisek Onjrej Poupe. Be 1829 D.G. America's Yuengling oldest brewery, operating opens. brewery, the 1830 Lager beer is developed in Bavaria. Christian Jacobsen introduces lager beer 1854 to - Denmark, the style soon comes to U.S. Steam beer is developed 1860 in San Francisco. More than 4,000 breweries are operating 1876 in U.S., Anheuser-busch opens its doors.
