 Other extremely expensive failures included an attempt to invade Protestant England in 1588 that produced the worst military disaster in Spanish history when the Spanish Armada—costing 10 million ducats—was scattered by a freak storm.Over 8,000 English sailors died from diseases such as dysentery and typhus while the Spanish Armada was at sea.Economic and administrative problems multiplied in Castile, and the weakness of the native economy became evident in the following century.