"Charles Emanuel de Warnery was a royal Prussian colonel, later a royal Polish general. He was born 13 March 1720 at Morges on the Lake Geneva, ...
Canton Vaud and entered served in the Sardinian service on the Regiment Desportes, and participated in the Upper Italy campaign against Austria during the War of Polish Succession. He briefly served in the Russian army during the Russo Swedish War. In 1743, he joined the Prussian army and served in the War of Austrian Succession and the Seven Years´ War. Upon his retirement in 1758, he entered a second career in military writing, developing commentaries on military tactics, particularly those of mounted troops, from the time of the Caesars to Frederick the Great." - (en.wikipedia.org 28.02.2020)
