World Cities Day / Hari Kota Dunia World Cities Day December 2013 The UN General Assembly sets October 31 as a day to raise the international community's attention on global urbanization, encourage cooperation among countries, respond to urbanization challenges and support sustainable urban development. World Day of the World is shown to promote the world's interest in global urbanization and encourage cooperation and partnerships between countries in addressing the challenges of urbanization and contributing to sustainable urban development worldwide. World Cities Day highlights the importance of the role of urbanization as a source of inclusive global development. In the framework of Habitat III, World City Day on 31 October will be the theme of "Inclusive Cities, Shared Development", which places the topic of inclusive cities as one of the main pillars of urban movement.