Founded in 1955 by Friedrich Jahn in Munich, it rapidly grew up to Europe's largest chain of fast-food restaurants.In more than 1600 restaurants throughout Europe in 1978, they mainly sold rotisserie chicken and other chicken products.In 1978, Wienerwald purchased the 273-restaurant Lum's chain from former Kentucky Fried Chicken owner John Y. Brown, Jr..
there were only 63 restaurants left in Germany and Austria.