The Enlightenment was a period in the 18th century when philosophers emphasized the power of human reason and promoted scientific thought over religious dogma. Some key developments included the Encyclopédie, a major reference work edited by Diderot and d'Alembert that spread Enlightenment ideas. Deism emerged as a belief in God through reason rather than organized religion. Views on women also changed as philosophers like Mary Wollstonecraft and Olympe de Gouges advocated for greater equality and education. Enlightened monarchs like Frederick the Great, Catherine the Great, and Joseph II instituted domestic reforms promoting religious tolerance, education, and limiting serfdom in order to modernize their nations based on Enlight