Age of Enlightenment Louis XV until the French Revolution. If taken back to the mid-17th century, the Enlightenment would trace its origins to Descartes' "Discourse on the Method", published in 1637. In France, many cited the publication of Isaac Newton's "Principia Mathematica" in 1687. It is argued by several historians and philosophers that the beginning of the Enlightenment is when Descartes shifted the epistemological basis from external authority to internal certainty by his "cogito ergo sum" published in 1637. As to its end, most scholars use the last years of the century, often choosing the French Revolution of 1789 or the beginning of
ERGO Group each. The shares of ERGO Group AG are listed on the stock exchange under WKN 841852 and ISIN DE0008418526. 94.7% (since November 25, 2009 99.69% with the purpose to raise the participation to 100% by means of the so-called squeeze out) of the shares belong to Munich Re. ERGO Group ERGO (ERGO Group) is a group of insurance companies owned by Munich Re. ERGO is one of the largest insurance groups in Europe. It operates in over 30 countries, especially in Europe and Asia. In Europe, ERGO claims to be number 1 in the health and legal expenses insurance segments,