Subjects

• History
• Sociology
• Biology
• Economics
• Political Science
• Psychology
• Geography

History

• Economic Conflicts
• Cultural and Intellectual Movements
• Medieval Conflicts
• Colonial Expansion Conflicts
• Imperial Power Struggles
• Revolutions
• Old Civilizations
• Civil Rights Movements and Struggles
• Ancient Conflicts
• Prehistoric and Early Human History
• Independence Movements
• 20th Century Conflicts
• 19th Century Regional Power Struggles and Civil Wars
• Cold War Conflicts
• Post-Colonial Conflicts
• Late Antiquity and Early Middle Ages

Revolutions

• The Industrial Revolution
• The American Revolution
• The Iranian Revolution
• The Russian Revolution of 1917
• The French Revolution
• The Mexican Revolution
• The Chinese Communist Revolution
• The Haitian Revolution
• The Portuguese Revolution
• The Glorious Revolution