The main objective of the conference is to provide a more comprehensive insight into all contribution to the world of science by presenting works from all the fields in which Milanković worked and created, as well as to recall his activities as a civil engineer, reformer of the calendar, historian of natural sciences and chronicler of the scientific events of his time. The purpose is to cover his work, from the University and Academy of Belgrade, to the astronomical theory of climate change, which explained the mystery of the ice age and predicted climate change on Planet Earth.