Events in the year 1834 in Portugal.
Incumbents Monarch: Michael I (until 26 May); Mary II Prime Minister: Pedro de Sousa Holstein, 1st Duke of Palmela
Events 16 May – Battle of Asseiceira 26 May – Concession of Evoramonte, ending the civil war period; Miguel I of Portugal surrendered 30 May - Extinction of religious orders by D. Pedro and his minister Joaquim António de Aguiar 24 September – Pedro de Sousa Holstein, 1st Duke of Palmela becomes the first official prime minister of Portugal The National Republican Guard established Deaths
24 September – King Dom Pedro IV, King of Portugal, Emperor of Brazil (born 1798).
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