Complex sentence: Miholjanec is a village in Croatia and one of the oldest settlements in the country, which already celebrated its 750th anniversary in 1923, to which the guests were dancing on a fantastic natural dance floor with a natural acoustics, such as at least an amphitheatre.
Split into simpler sentences: Miholjanec is a village in Croatia and one of the oldest settlements in the country. In 1923 Miholjanec celebrated its 750th anniversary, guests were dancing on a fantastic natural dance floor with natural acoustics, similar to an amphitheatre.