1820 in Portugal

Events in the year 1820 in Portugal.

Incumbents

Monarch: John VI

Events

22 January – Battle of Tacuarembó
Liberal Revolution
24 August – Military revolt in Porto
Establishment of a provisional junta of the Supreme Government of the Kingdom, in Porto
15 September – Military revolt in Lisbon
Establishment of an interim government, in Lisbon
28 September – Establishment of a unified provisional junta
22 November – Instruções, first election law
December – Cortes election