The Gardoš Tower, also known as Millennium Tower or Tower of John Hunyadi is a memorial tower located in Zemun, city of Belgrade, Serbia. It was built and officially opened on 20 August 1896 to celebrate a thousand years of Hungarian settlement in the Pannonian plain. The Millennium project included seven monuments in total all over the Hungarian part of Austro-Hungary, with Gardoš Tower being the southernmost; the others were at Budapest, Brassó, Dévény, Munkács, Nyitra, and Szeged. They were all different, including obelisks and columns.