Volume 1 covers Oriental monarchies and Hellenic ascendency, including the countries of Egypt, Chaldea, Assyria, Medea, Babylon, Persia, Parthia, Greece and Macedonia. Volume 2 covers Roman ascendency through the Dark Ages, including information on Rome, Barbarian ascendency, Mohammedan ascendency, Age of Charlemagne, Feudal ascendency, and the Crusades. Volume 3 covers Middle Ages, Age of Revolution, and Modern Monarchies, including the English Revolution, Age of Frederick the Great, the American Revolution, and the French Revolution. Volume 4 covers the 19th Century, including the United States, Great Britain, France, Germany, Italy, Eastern Europe, Canada, Mexico, South America, and Oriental nations.