 Complete the following phrase:  During the First World War, Galicia saw heavy fighting between the forces of Russia and the Central Powers. The fighting began in 1914 when the Russian Army advanced into the Austro-Hungarian province of Galicia and German East Prussia. The initial attack on East Prussia quickly turned into a defeat following the Battle of Tannenberg in August 1914 but the second incursion was completely successful. Under the command of generals Nikolai Ivanov and Aleksei Brusilov, the Russians won the Battle of Galicia in September and began the 