Prussian military coats featured high-standing, turn-down collars in the 19th century. The Prussian collar has frequently been adapted to fashion garments.
Franco-Prussian War 1870— 1871
Death toll: 774 800 deaths 
External links: http://en.wikipedia.org/wiki/Franco-Prussian_War
1. The Encyclopedia of Fashion. From 1840 to the 1980s. Georgina Ohara 1986.p.202