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1984-JAN-01 |
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1984-JAN-01 |
| Federative Republic of BRAZIL | |
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| (Brasilia) |
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State of PIAUI |
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| Flag or Logo since 1946-01-01 | Emblem or Symbol |
 President Joao Figueiredo (ruler of BRAZIL since 1979-03-15) |
| Capitals & administrative places: | Teresina (Teresina) |
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| Official & national languages: |