Portuguese galley San Gualter arrived at Lisbon according to the Nederlandsche Staatscourant dated 18 April 1821

Lisbon, 28 March. The Portuguese galley San Gualter which left 9 February Pernambuco, Brazil arrived the day before yesterday at Lisbon. On board was 2nd lieutenant Simoes da Cunha with official letters from the temporarily junta of the government of the province Para for the Regent. These letters reported what happened since January in that province when the revolt broke out. The commanding officer of the galley reported to the minister of navy supplying more details.