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
Haryanka dynasty Haryanka dynasty The Haryanka dynasty is believed to have been the second ruling dynasty of Magadha, an empire of ancient India, which succeeded the mythological Barhadratha dynasty. The reign of this dynasty probably began in the middle of 6th century BCE. Initially, the capital was Rajagriha. Later, it was shifted to Pataliputra, near the present day Patna in India. Brihadaratha founded the dynasty around 566 BCE, although Bimbisara, his grandson, significantly expanded the dynasty's boundaries during his rule from 544 BCE to 492 BCE. Thus Bimbisara is considered as the main founder of the dynasty. According to the Buddhist text,