 He abandoned the job in the summer of 1914 and became a clerk at a lawyer's office, while simultaneously attending a commercial high school in Kaposvár, where his student performance was good.After the outbreak of the First World War in July 1914, Nagy was called up for military service in the Austro-Hungarian Army in December 1914 and found fit for service.He reported for duty at the 17th Royal Hungarian Honvéd Infantry Regiment in May 1915, after the end of the school year and before he had graduated.