In 1833 members of the Society of Free Inhabitants of Quito were assassinated by the government after they conspired against it. On 6 March 1845 the Marcist Revolution began. In 1875 the country's president, Gabriel García Moreno, was assassinated in Quito. Two years later, in 1877, Archbishop José Ignacio Checa y Barba was killed by poison while celebrating Mass in Quito.