sentences:  After studies in Pisa and Rome, Calamandrei assumed a professorship at the law school at the University of Messina in 1915.He fought as a volunteer in the 218th infantry regiment in World War I, rising to the rank of captain, and turning down a further promotion to resume teaching.In 1918, he resumed teaching at the University of Modena, then went on to teach at the law school in Siena, and finally, in Florence.