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What alliance did Charles-Maurice de Talleyrand help negotiate in 1834?
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Charles-Maurice de Talleyrand, prince de Bénévent
French diplomat Talleyrand, portrait by Pierre-Paul Prud'hon, 1817.
In 1834, Charles-Maurice de Talleyrand helped negotiate the Quadruple Alliance, which was signed in April of that year.1
This alliance was formed between France, Britain, Spain, and Portugal. It was designed to support the more liberal claimants to the thrones of Spain and Portugal against conservative pretenders, specifically aiding the regency of Maria Cristiana for Isabella II in Spain and supporting Maria da GlĂłria in Portugal. The signing of this treaty served as the final major achievement of Talleyrand's long and influential diplomatic career.21