Geneva Around this time, the House of Savoy came to at least nominally dominate the city. In the 15th century, an oligarchic republican government emerged with the creation of the Grand Council. In the first half of the 16th century, the Protestant Reformation reached the city, causing religious strife, during which Savoy rule was thrown off and Geneva allied itself with the Swiss Confederacy. In 1541, with Protestantism on the rise, John Calvin, the founder of Calvinism, became the spiritual leader of the city and established the Republic of Geneva. By the 18th century, Geneva had come under the influence of
History of Geneva were often tensions between Calvin and the city's civil authorities. Calvin also supported the admission into Geneva of Protestant refugees, which some circles strongly opposed. Though the city proper remained a Protestant stronghold, a large part of the historic diocese returned to Catholicism in the early seventeenth century under St. Francis de Sales. Geneva has played a historical role in the spread of Protestantism. In addition to becoming a Protestant state, Geneva in the 16th century also became a kind of welfare state, as a general state hospital was established in 1535 by the wealthy Protestant Claude Salomon. A centralized