Gardoš Tower (Serbian: Кула Гардош), also known as Millennium Tower (Serbian: Миленијумска кула) or Kula Sibinjanin Janka (Serbian: Кула Сибињанин Јанка, The Tower of Janos Hunyadi) is a memorial tower located in Zemun, city of Belgrade in 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. They are all different and not all of them are towers.As part of Old Core of Zemun, and also located in the middle of the Zemun Fortress, tower is protected both as Spatial Cultural-Historical Unit of Great Importance, and as a Protected Monument of Culture. Though today usually considered by the Belgraders as part of the old Gardoš Fortress, on which remains it was built, the tower is some 5 centuries younger than the fortress.