The First Silesian War was fought against the King of Prussia who died in battle in 1786.
 It became the first in a series of three Silesian Wars fought between Frederick the Great's Prussia and Maria Theresa's Austria. 
Frederick II (German: "Friedrich" ; 24 January 171217 August 1786) was King of Prussia from 1740 until 1786, the longest reign of any Hohenzollern king. 
