1820 in Portugal
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Events in the year 1820 in Portugal.
Incumbents
Events
- 22 January – Battle of Tacuarembó
- Liberal Revolution[1]
- 24 August – Military revolt in Porto[1]
- Establishment of a provisional junta of the Supreme Government of the Kingdom, in Porto[1]
- 15 September – Military revolt in Lisbon[1]
- Establishment of an interim government, in Lisbon[1]
- 28 September – Establishment of a unified provisional junta[1]
- 22 November – Instruções, first election law[1]
- December – Cortes election[1]
