Frederick the Great By wyuhan18 Jan 23, 1712 Frederick II is born in Berlin. Aug 16, 1730 Frederick is caught attempting to escape Prussia Jun 12, 1733 Frederick marries Elizabeth Christine of Brunswick-Bevern May 13, 1740 Frederick becomes the leader of Prussia Dec 6, 1740 Frederick II begins the First Silesian War. Jun 11, 1742 Frederick II conquers Silesia. Aug 29, 1756 Frederick II begins the Seven Years' War Feb 15, 1762 Seven Years' War ends, Prussia is a major power in Europe. May 15, 1762 The Miracle of the House of Brandenburg Aug 5, 1772 First Partition of Poland. Aug 17, 1786 Frederick dies, a legacy of "Enlightened despot".