A treaty between Austria, Prussia, and Turkey, signed in 1791, by which Leopold of Austria surrendered all his conquests, in consequence of the mediation of Prussia and England. By a separate convention the Porte agreed to cede to Austria Old Orsova and a small district in Croatia. Sitvatorok, Treaty of. A treaty between Austria and the Porte, signed in 1607. The Porte abandoned the tribute hitherto paid by Austria, recognized the Austrian Sovereign as Emperor, instead of only King of Vienna, as the Turks had hitherto styled him, and agreed that the future diplomatic intercourse should be carried on on a footing of equality between the two nations. This treaty may be said to mark the turning point in the fortunes of the Ottoman Empire. Six Acts. A series of enactments passed in the autumn session of 1819 to strengthen the law against sedition, in view of the numerous risings of the past few years. They were as follows: (1) An Act to prevent delay in the administration of justice; (2) an Act to prevent the training of persons in the use of arms; (3) an Act for the prevention of blasphemy and seditious libel; (4) an Act authorizing Justices of the Peace to seize and retain arms; (5) an Act subjecting certain publications to the newspaper stamp duty; and (6) an Act to prevent seditious assemblies. Six Articles, Act of the. An Act passed in 1539, at the instance of the Anti-Reformers headed by Norfolk, by which the acceptance of six cardinal articles of the Catholic faith was made obligatory under heavy penalties. It was repealed by an Act passed in 1547, on the accession of Edward VI. Six Circles. By a decree of the Diet of Augsburg in 1500, Germany was divided into six circles--Bavaria, Franconia, The Rhine, Saxony, Suabia and Westphalia. Six Cities, League of the. A league formed in 1346 by the German towns of Bautzen, Görlitz, Kamenz, Lauban, Löbau and Zittau for mutual protection against the marauding barons. Six Edicts. A series of edicts of a liberal character issued by Turgot, the minister of Louis XVI in 1776. They provided for the suppression of (1) the Caisse de Poissy; (2) duties on grain in the markets; (3) harbour dues; (4) statutes of apprenticeship and incorporation; (5) the corvée, and for (6) the diminution of market dues. They met with much opposition, and were not registered without recourse to a Lit de Justice, while they eventually led to Turgot’s downfall. Six Nations. The five tribes of North American Indians known as the Five Nations admitted into their confederacy, in 1715, the Tuscaroras, and were afterwards known as the Six Nations. Sixpenny War. The O.P. riots were so called, as being caused by the decision of the managers of Covent Garden Theatre to raise the prices by sixpence. Sixteen.