| Copa América 1946 Argentina - Appearances as Referee |  |
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| 02/02/1946 | Argentina | - | Uruguay | 3:1 | - | - | 1 |
| Copa América 1946 Argentina - Appearances as Referee | |
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| 02/02/1946 | Argentina | - | Uruguay | 3:1 | - | - | 1 |
| Complete name: | Mario Silveira Vianna |
| Born: | |
| Place of birth: |
Brazil |
| Nationality: |
Brazil |