 Complete the following phrase:  Graduate of the General Staff Academy in Vienna, from 1914 he was a commander of the 100th Infantry Regiment of Austria-Hungary, with whom he participated in May 1915 in the break-up of the Russian front in the Battle of Gorlice. From 1918 after Poland gained independence, he served in the Polish Army; in January 1919 he was the commander of Polish forces fighting in Cieszyn Silesia 