"In November 1918, the University of Liverpool recorded 1,640 names on its Roll of Honour, including 176 fatalities and many others missing. Similar lists were maintained in every university. The exact number of casualties from UK universities is uncertain, but the numbers were awful. Estimates suggest that Oxford lost 19% of those who served, Cambridge 18%, and Manchester and Glasgow 17%."
It wiped the best and the brightest, from a small population. Russia sent serfs into the grinder.