Portuguese and Brazilian diplomats sign the Treaty of Rio de Janeiro, which has Portugal recognise Brazilian independence, formally ending the Brazilian War of Independence. The treaty will be ratified by the King of Portugal three months later.

The Kingdom of Portugal was a monarchy in the western Iberian Peninsula and the predecessor of the modern Portuguese Republic. Existing to various extents between the mid-12th century and the early 20th century, it was also known as the Kingdom of Portugal and the Algarves after 1471, and was the…