John George II of Saxony was a German prince who ruled as the Elector of Saxony from 1656 until his death in 1691. He was born on March 31, 1613, and was a member of the House of Wettin. His reign was marked by efforts to strengthen the economy and improve the administration of his territory. During his rule, John George II focused on rebuilding and modernizing Saxony after the devastation of the Thirty Years' War. He was known for his patronage of the arts and education, contributing to the cultural development of the region. His leadership helped establish Saxony as an important center in Germany.