Western Civ II
Suggestions for further reading:
Eric Metaxas: Martin Luther: The Man Who Rediscovered God and Changed the World
C.V. Wedgwood: The Thirty Years War
William Doyle: The French Revolution: A Very Short Introduction
David Bell: Napoleon: A Concise Biography
Geoffrey Wawro: The Franco Prussian War: The German Conquest of France in 1870–1871
Geoffrey Wawro: A Mad Catastrophe: The Outbreak of World War I and the Collapse of the Habsburg Empire
Sean McMeekin: July 1914: Countdown to War
Michael Neiberg: The Treaty of Versailles: A Concise History
Sean McMeekin: Stalin's War: A New History of World War II
Michael Neiberg: Potsdam: The End of World War II and the Remaking of Europe