| World Cup 1930 Uruguay - Appearances as Referee |  |
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| 18/07/1930 | Uruguay | - | Peru | 1:0 | - | - | - |
| 22/07/1930 | Argentina | - | Chile | 3:1 | - | - | - |
| 26/07/1930 | Argentina | - | USA | 6:1 | - | - | - |
| 30/07/1930 | Uruguay | - | Argentina | 4:2 | - | - | - |
| World Cup 1930 Uruguay - Appearances as Referee | |
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|
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| 18/07/1930 | Uruguay | - | Peru | 1:0 | - | - | - |
| 22/07/1930 | Argentina | - | Chile | 3:1 | - | - | - |
| 26/07/1930 | Argentina | - | USA | 6:1 | - | - | - |
| 30/07/1930 | Uruguay | - | Argentina | 4:2 | - | - | - |
| Complete name: | Johannes Langenus |
| Born: | 08/12/1891 † 01/10/1952 |
| Place of birth: |
Antwerpen, 
Belgium |
| Nationality: |
Belgium |
| Profession: | Beamter |