Complex sentence: It depicts the banquet at the Scandinavian Scientist Conference held in Roskilde in 1847, and completed a series of murals in the aula which depicted the history of the university.
Split into simpler sentences: It depicts the banquet at the Scandinavian Scientist Conference held in Roskilde in 1847. He also completed a series of murals in the aula, depicteding the history of the university.