The murals in Aarhus Cathedral date from 1470 to 1520. Until the Reformation, most of the church's walls were covered in frescos but many were lost. The cathedral still has 220 m2 of frescoes, more than any other church in Denmark. One pre-1470 painting was saved from the first Romanesque-style cathedral in the northwest corner, the so-called "Lazarus Window", painted about 1300.