King Ferdinand IV of Bourbon was a Spanish monarch who ruled from 1746 to 1759. He was born on September 20, 1713, and was the son of King Philip V of Spain and Queen Elisabeth Farnese. His reign is noted for its focus on economic development and the promotion of trade. Ferdinand IV's rule was marked by the influence of the Bourbon dynasty, which sought to modernize Spain and strengthen its empire. He faced challenges, including conflicts with Great Britain and internal issues, but his administration laid the groundwork for future reforms in the country.