Note 17 — Chapter XXIV
Reading edition
[An insurrection had broken out in Portugal in October 1846 against the authority of Queen Donna Maria. In the following month the British fleet entered the Tagus to support the Queen. The contest continued for some months, and in May 1847 a conference was held in London between the representatives of Great Britain, France, Spain, and Portugal—the original parties to the Quadruple alliance—to settle the disorders which had broken out in the last-mentioned kingdom.]