the serbian academy of sciences and arts elected milanković as a corresponding member in 1920; he became a full member in 1924. the meteorological service of the kingdom of yugoslavia became a member of international meteorological organization – imo (founded in brussels in 1853 and in vienna in 1873) as a predecessor of present world meteorological organization, wmo. milankovic served as a representative of the kingdom of yugoslavia there for many years.