The slave ship Trinta de Março departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Brazil.

Vessel: Trinta de Março; flag: Portugal / Brazil; rig: Galera. People recorded in connection with the voyage: Captain: Silva, José Leite da. The voyage began at Rio de Janeiro on 29 January 1827. Principal recorded place where captives were acquired: Cabinda (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 27 days. Estimated mortality during the crossing: 6.0%. Recorded outcome: Voyage completed as intended.