摘要：This chronicle has been a survey of the activities of the Society since its founding on January 31, 1959. Most important were professional lectures, 201 of them in these twenty years, held by of our Society and outside guests. Besides various commissions whose work brought forth some remarkable results, there were also Zagreb's Local Branch of the Society which was active for a considerable length of time. The most important has been publishing activity — since 1970. the Society has its yearly journal.
