And a two-minute peal of church bells continues to arouse sleepy Germans from their beds every weekday at 7am in the towns and 6am in the villages of the countryside.
Its chimes were silenced for the next four years, until a way was found to make it peal again in 1863 (by turning it slightly), however, the crack is still visible.
He and seven volunteer bell ringers started rehearsals by playing the melody on hand-bells before progressing to the "world famous" Anglican bells, which are the highest and heaviest ringing peal bells in the world.