Did you know that the first commercial oil drilling in the world took place in Croatia? While many believe that commercial drilling began in Drake, Pennsylvania in the USA in 1859, three years earlier, near a small village in Medjimurje called Peklenica, one Count Georg Festetics began commercial exploration back in 1856. A Viennese entrepreneur, Wilhelm Singer drilled dozen of oil wells from the 1880s, and drilling in Peklenica continued until 1967, when operations ceased due to diminishing ret