Before revision: 1914–1945: two world wars World War I Trenches and sand bags were defences against machine guns and artillery on the Western Front, 1914–1918 After the relative peace of most of the 19th century, the rivalry between European powers, compounded by rising nationalism among ethnic groups, exploded in 1914, when World War I started.Brian Bond, "The First World War" in C.L.
After revision: 1914–1945: civil war World War I Trenches and sand bags were defences against machine guns and artillery on the Western Front, 1914–1918 After the relative peace of most of the 19th century, the rivalry between European powers, compounded by rising nationalism among ethnic groups, exploded in 1914, when World War I started.Brian Bond, "The First World War" in C.L.