| Aufstiegsrunde 1. Bundesliga 1965/1966 - Appearances as Referee |  |
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| 18/06/1966 | 1. FC Saarbrücken | - | FC St. Pauli | 3:1 | - | - | - |
| Aufstiegsrunde 1. Bundesliga 1965/1966 - Appearances as Referee | |
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| 18/06/1966 | 1. FC Saarbrücken | - | FC St. Pauli | 3:1 | - | - | - |
| Complete name: | Karl Niemeyer |
| Born: | 29/08/1920 |
| Place of birth: |
Bad Godesberg, 
Germany |
| Residence: | Bad Godesberg |
| Nationality: |
Germany |
| Bundesliga (GER) appearances: | 39 |