The slave ship Ateneu arrived with enslaved Africans in Brazil. About 451 people had been taken aboard and approximately 451 arrived.

Vessel: Ateneu; flag: Portugal / Brazil; rig: Brig. People recorded in connection with the voyage: Investor: Barroso, João Gomes; Captain: Santos, Joaquim Ferreira dos; Investor: Santos, Joaquim Ferreira dos. The voyage began at Southeast Brazil, port unspecified. 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: 33 days. Recorded outcome: Voyage completed as intended.