1846 in Portugal

Incumbents

• Monarch: Mary II
• Prime Ministers: António Bernardo da Costa Cabral, 1st Marquis of Tomar; Pedro de Sousa Holstein, 1st Duke of Palmela; João Carlos Saldanha de Oliveira Daun, 1st Duke of Saldanha

Events

• 6 October - Emboscada
• 19 November - Banco de Portugal established

Births

• 21 March - Rafael Bordalo Pinheiro, artist, comics creator.
• 5 November - Joaquim Pimenta de Castro, military officer, mathematician and politician