September Revolution
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The September Revolution () was a
coup d'état A coup d'état (; ; ), or simply a coup , is typically an illegal and overt attempt by a military organization or other government elites to unseat an incumbent leadership. A self-coup is said to take place when a leader, having come to powe ...
that took place on 9 September 1836 in Portugal and ended '' Devorismo'', leading to the promulgation of the Constitution of 1838.


Causes

A number of liberal laws, advocated by
Mouzinho da Silveira José Xavier Mouzinho da Silveira (12 July 1780 in Castelo de Vide – 4 April 1849 in Lisbon) was a Portuguese statesman, jurist and politician, as well as one of the most important personalities of the Liberal Revolution of 1820, responsible for ...
had come into effect in Portugal. These included the abolition of chapels with an income of less than 200,000 reais per year, the abolition of tax on the transfer of ownership in real estate, except for sale or exchange of lands in connection with church
tithe A tithe (; from Old English: ''teogoþa'' "tenth") is a one-tenth part of something, paid as a contribution to a religious organization or compulsory tax to government. Modern tithes are normally voluntary and paid in money, cash, cheques or v ...
s and special jurisdictions; the suppression of the distilling and wine exporting privileges of the Companhia de Vinhos and the Alto Duero, and the establishment of a new judiciary structure, with new court circuits called "distritos de relacionamento". These reforms were significant changes aimed at putting into practice the principles of free trade and economic liberalism embraced by the government established under the
Constitutional Charter of 1826 The Charter of 1826 or ''Carta Constitucional'', often simply referred to as the ''Carta'', was the second constitution in Portuguese history. It was given to the country in 1826 by King Dom Pedro IV. The constitution remained in force, with th ...
. These reforms did not meet with the expected success. The sale of national property only benefited a limited group of the landed wealthy, which was enriched and added to its already extensive properties. Most people continued to live in poverty. The country's economy continued to be highly dependent on the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
, particularly since the 1810 treaty that allowed preferential access to the Portuguese market for British goods. Portugal continued to lack manufacturing and remained backward in comparison with many other European countries. Another cause of discontent was the fact that the
Constitutional Charter of 1826 The Charter of 1826 or ''Carta Constitucional'', often simply referred to as the ''Carta'', was the second constitution in Portuguese history. It was given to the country in 1826 by King Dom Pedro IV. The constitution remained in force, with th ...
, granted by King Pedro IV, lacked legitimacy as it had not been passed by a constituent assembly. The Mutiny of La Granja de San Ildefonso in Spain against Queen Maria Christina in August 1836 gave Portuguese liberals further encouragement.


The revolution

The revolutionary movement started in
Porto Porto (), also known in English language, English as Oporto, is the List of cities in Portugal, second largest city in Portugal, after Lisbon. It is the capital of the Porto District and one of the Iberian Peninsula's major urban areas. Porto c ...
, where radicals calling for the restoration of the Constitution of 1822 were returned in the general election of 17 July. The outgoing government of the Duke of Terceira won a clear majority (79 seats to 41 for the opposition), but when the opposition representatives from Porto arrived in
Lisbon Lisbon ( ; ) is the capital and largest city of Portugal, with an estimated population of 567,131, as of 2023, within its administrative limits and 3,028,000 within the Lisbon Metropolitan Area, metropolis, as of 2025. Lisbon is mainlan ...
on 9 September, various pamphlets and other publications had already circulated in the capital, spreading revolutionary ideas and attacking the government. For the most part, the people of the city welcomed the movement with open arms. As the representatives disembarked they were met by a giant crowd, shouting slogans in favour of the revolution and for the Constitution of 1822. Queen Maria II and the government had no means to fight the revolution, all the less since the National Guard has declared its loyalty to the movement, and relinquished power to its leaders, the Count of Linhares, Sá da Bandeira and Passos Manuel. None of these had taken a direct part in the revolution itself, but stood out as the most capable men among those who defended it. The revolution of 9 September was one of the few in Portuguese history that began with a popular civil society movement, which only later received support from the military.


See also

* Septembrists


References

{{reflist Political history of Portugal 1836 in Portugal Liberalism in Portugal 19th-century revolutions Revolutions in Portugal