Railway in Vojvodina have been built since 1856. According to a peace treaty it became a part of a railway network of a new country in 1918. Rails on that territory were not as destroyed in Vojvodina as they were in Serbia during the World War I but they were damaged and had barely any transporting ability. https://www.pomyslnaszycie.com/western-321-cyl-reg-adaptor-cga-200-to-cga-510-online-sale/