Abolition of monarchy
The monarchy of Portugal was also overthrown in 1910 (5 October), two years after the assassination of King Carlos I, ending the reign of Manuel II, who died in exile in England (1932), without issue.
United Kingdom of Portugal, Brazil and the Algarves
Accordingly, steps were taken to put an end to the personal union: Pedro I & IV agreed to abdicate the Portuguese Throne in favour of his eldest daughter, but he also wanted to ensure that her rights would be respected, and he further wanted to restore constitutional monarchy to Portugal. In order to put an end to the Portuguese absolute monarchy, the Emperor-King commissioned the drafting of a new Constitution for Portugal, that was widely based on the Brazilian Constitution. This document was finalized in less than a week.