Claim: In 1898, Rózsahegyi joined the Hungarian Theatre, where he played parts in operettas; then at the turn of the century he entered the National Theatre, to which he loyally bonded, a bond the institution reciprocated when he was elected into permanent membership in 1923.
Evidence: Kálmán Rózsahegyi (6 October 1873, Pest - 27 August 1961) was a Jewish Hungarian actor and teacher. Kálmán Rózsahegyi also began his career performing in the countryside, but in 1898 he was hired by the Hungarian National Theatre. Between 1900 and 1935 he was a member of the National Theatre, from 1923 as a permanent member. In 1898 he joined the Hungarian Theatre, where he played parts in operettas. At the turn of the century he entered the National Theatre, to which he loyally bonded, a bond the institution reciprocated when he was elected into permanent membership in 1923. He was at home in every genre: operettas, comedies, cabarets and classical drama. On the course of his various appearances he stayed with the National Theatre until his retirement in 1935.