Complex sentence: The avenue was extended to Gyldenløvesgade by Copenhagen Municipality in 1927-28 and its name was changed to Rosenørns Allé after Ernst Emil Rosenørn (1810-1894).
Split into simpler sentences: The avenue was extended to Gyldenløvesgade by Copenhagen Municipality in 1927-28. The street was named after Ernst Emil Rosenørn (1810-1894).