r were two of the many contributing factors to the French Revolution.
Much of the Enlightenment occurred in French intellectual circles, and major scientific breakthroughs and inventions, such as the discovery of oxygen (1778) and the first hot air balloon carrying passengers (1783), were achieved by French scientists in the 18th century. Famous French explorers, such as Bougainville and Lapérouse, took part in the voyages of scientific exploration through maritime expeditions around the globe. The Enlightenment philosophy, in which reason is advocated as the primary source for legitimacy and authority, undermined the power of and support for the monarchy and helped pave the way for the French Revolution.
Monarchy to republic
After the storming of the Bastille on 14 July 1789, the absolute monarchy was abolished and France became a constitutional monarchy. Through the Declaration of the Rights of Man and of the Citizen, France established fundamental rights for French citizens and all men without exception. The Declaration affirms "the natural and imprescriptible rights of man" to "liberty, property, security and resistance to oppression". It called for the destruction of aristocratic privileges (such as exemptions from taxation) and proclaimed freedom and equal rights for all men, as well as access to public office based on talent rather than birth. The monarchy was restricted, and all citizens were to have the right to take part in the legislative process. Freedom of speech and press were declared, and arbitrary arrests outlawed. The Declaration also asserted the principles of popular sovereignty, in contrast to the divine right of kings that characterized the French monarchy, and social equality among citizens, eliminating the privileges of the nobility and clergy.
While Louis XVI, as a constitutional king, enjoyed broad popularity among the population, his disastrous flight to Varennes seemed to justify the rumors that the
