September Revolution

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 tithes 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 country's economy continued to be highly dependent on the United Kingdom, particularly since the 1810 treaty that allowed preferential access to the Portuguese market for British goods.

The Mutiny of La Granja de San Ildefonso in Spain against Queen Maria Christina in August 1836 gave Portuguese liberals further encouragement.

[citation needed] 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.