Complex sentence: PhD Vladimira Machova was the host beside the political officials in these day... (Also in) 1967, with the sponsorship of the International Computer Centre in Rome, managed by Professor Claude Berge, the first International World Congress took place in Vienna.
Split into simpler sentences: PhD Vladimira Machova was the host beside the political officials in those days. Then, with the sponsorship of the International Computer Centre in Rome, managed by Professor Claude Berge, the first International World Congress took place in Vienna.