Aberdeen Act

Slave Trade (Brazil) Act 1845
Other legislation
Act of Parliament
Parliament of the United Kingdom
Long title	An Act to amend an Act, intituled "An Act to carry into execution a Convention between His Majesty and the Emperor of Brazil, for the Regulation and final Abolition of the African Slave Trade."
Citation	8 & 9 Vict. c. 122
Amends	Slave Trade (Convention with Brazil) Act 1827

Forced labour and slavery
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The Slave Trade (Brazil) Act 1845 (8 & 9 Vict. c. 122), commonly known as the Aberdeen Act, was an act of the Parliament of the United Kingdom passed during the reign of Queen Victoria on 9 August 1845. The long title of the act is "An Act to amend an Act, intituled An Act to carry into execution a Convention between His Majesty and the Emperor of Brazil, for the Regulation and final Abolition of the African Slave Trade".

This law is seen in Brazilian historiography as a British retaliation against the Alves Branco Tariff, a tariff reform established in 1844 by Finance Minister Manuel Alves Branco that raised import duties followed by the ending of the British-Brazilian Convention of 1826 on the Atlantic slave trade to Brazil.