Revolutions of 1848 in the Austrian Empire even socialist currents resisted the Empire's longstanding conservatism. The events of 1848 were the product of mounting social and political tensions after the Congress of Vienna of 1815. During the "pre-March" period, the already conservative Austrian Empire moved further away from ideas of the Age of Enlightenment, restricted freedom of the press, limited many university activities, and banned fraternities. Conflicts between debtors and creditors in agricultural production as well as over land use rights in parts of Hungary led to conflicts that occasionally erupted into violence. Conflict over organized religion was pervasive in pre-1848 Europe. Tension came both from within
History of the Ottoman Empire authority, albeit during a brief majority reign. Mustafa II (1695–1703) led the Ottoman counterattack of 1695–96 against the Habsburgs in Hungary, but was undone at the disastrous defeat at Zenta (11 September 1697). During this period threats to the Ottoman Empire were presented by the traditional foe—the Austrian Empire—as well as by a new foe—the rising Russian Empire. Certain areas of the Empire, such as Egypt and Algeria, became independent in all but name, and later came under the influence of Britain and France. Later, in the 18th century, centralized authority within the Ottoman Empire gave way to varying degrees