The Modern World · 20th century
World War I
How an assassination in Sarajevo became a four-year industrial slaughter: alliances and mobilization plans, the failure of the Schlieffen Plan, trench warfare, Verdun and the Somme, America's entry, the collapse of four empires, and the peace that set up the next war.
Step 1 of 6 · Overview35 min read ·
Key idea
Prereqs: Industrial Revolution; Sea power (Mahan). Next: The Russian Revolution. Sources: Barbara Tuchman's *The Guns of August*, Christopher Clark's *The Sleepwalkers*, Margaret MacMillan's *The War That Ended Peace*, Crash Course World History.Next: 1. Causes