The
Enlightenment, also referred to as the Age of Enlightenment, was a
philosophical movement that dominated the realm of ideas in 18th-century Europe. It was founded on the principle that
reason is the fundamental source of power and legitimacy, and it promoted principles such as
liberty, progress, tolerance, fraternity,
constitutional governance, and
church-state separation. The Enlightenment was defined by a focus on science and
reductionism, as well as a growing suspicion of
religious rigidity. The Enlightenment's ideals challenged the monarchy and the church, laying the groundwork for the political upheavals of the 18th and 19th centuries. According to
French historians, the
Age of Enlightenment began in 1715, the year
Louis XIV died, and ended in 1789, the year of the
French Revolution. According to some contemporary historians, the era begins in the 1620s, with the birth of the
Scientific Revolution. However, during the first decades of the 18th century and the first decades of the 19th century, several national variations of the movement developed. The Englishmen
Francis Bacon and
Thomas Hobbes, the Frenchman
René Descartes, and the prominent
natural philosophers of the
Scientific Revolution, including
Galileo Galilei,
Johannes Kepler, and
Gottfried Wilhelm Leibniz, were significant 17th-century antecedents of the Enlightenment. Its origins are often ascribed to
1680s England, when
Isaac Newton published his "
Principia Mathematica" (1686) and
John Locke wrote his
"Essay Concerning Human Understanding" (1689)—two works that laid the groundwork for the Enlightenment's great advancements in science, mathematics, and philosophy. The Age Of Enlightenment was swiftly sweeping across Europe. In the late seventeenth century, scientists such as
Isaac Newton and authors such as
John Locke challenged the established order. Newton's principles of
gravity and
motion defined the universe in terms of natural principles that were independent of any spiritual source. Locke advocated the freedom of a people to replace a government that did not defend inherent rights to
life, liberty, and property in the aftermath of England's political instability. People began to mistrust the possibility of a God
capable of predestining human beings to
everlasting damnation and
empowering a despotic ruler to rule. These ideals would permanently alter Europe.
Major Enlightenment concepts Europe had a burst of philosophical and scientific activity in the mid-18th century, challenging established theories and dogmas.
Voltaire and
Jean-Jacques Rousseau headed the philosophic movement, arguing for a society founded on
reason rather than religion and
Catholic theology, for a new civic order based on
natural law, and for science founded on experimentation and observation.
Montesquieu, a political philosopher, proposed the notion of a government's
division of powers, which was enthusiastically accepted by the framers of the
United States Constitution. Two separate schools of Enlightenment philosophy existed. Inspired by
Spinoza's theory, the radical enlightenment argued for democracy,
individual liberty,
freedom of speech, and the abolition of
religious authority. A second, more moderate kind, championed by
René Descartes,
John Locke,
Christian Wolff, and
Isaac Newton, aimed to strike a balance between reform and old power and religious institutions. Science eventually began to dominate Enlightenment speech and thinking. Numerous Enlightenment authors and intellectuals came from scientific backgrounds and equated scientific progress with the downfall of religion and conventional authority in favour of the growth of free speech and ideas. In general, Enlightenment science placed a high premium on
empiricism and logical reasoning, and was inextricably linked to the Enlightenment ideal of progression and development. However, as was the case with the majority of Enlightenment ideals, the advantages of science were not widely recognized. The Enlightenment has traditionally been credited with laying the groundwork for current Western political and intellectual culture. It ushered in a period of political modernization in the West, focused on democratic principles and institutions and resulting in the establishment of modern, liberal democracies. The fundamentals of European liberal thought include the individual right, natural equality of all men,
separation of powers, the artificial nature of
political order (which resulted in the later distinction between civil society and the state), the view that all legitimate political power must be "representative" and based on popular consent, and liberal interpretationism. Enlightenment-era criticism on religion was a reaction to Europe's previous century of religious turmoil. Enlightenment intellectuals intended to limit organized religion's political dominance, so averting another period of intolerable religious violence. Numerous unique concepts emerged, including
deism (belief in God the Creator without reference to the Bible or other authoritative source) and
atheism. The latter was hotly debated but garnered few supporters. Many, like Voltaire, believed that without believing in a God who punishes wrong, society's moral order would be jeopardised. == Characteristics ==