History of Bolivia to 1809 reduction in silver output. After 1700 only small amounts of bullion from Upper Peru were shipped to Spain. Kings from the Bourbon Dynasty in Spain tried to reform the colonial economy in the mid-eighteenth century by reviving mining. The Spanish crown provided the financial support necessary to develop deeper shafts, and in 1736 it agreed to lower the tax rate from 20 to 10 percent of the total output. The crown also helped create a minerals purchasing bank, the Banco de San Carlos in 1751 and subsidized the price of mercury to local mines. The foundation of an academy of
Nicholas Bourbon (the elder) Nicholas Bourbon (the elder) Nicholas Bourbon (; 1503 or 1505 - after 1550) was a French court preceptor and poet. He wrote a collection of poems called "Nugae" (Latin for 'trifles'), which are known as the "Bagatelles" in French. He is the great-uncle of Nicholas Bourbon (1574–1644), a member of the Académie française. Bourbon was born in Vendeuvre-sur-Barse, France. He went to England in 1535 to pay homage to Henry VIII of England and his second Queen Consort Anne Boleyn in gratitude for help received from them while under persecution in France. He later wrote a series of poems in