1. Prehistory
1.1. The Stone Age
1.1.1. Paleolithic
1.1.2. Mesolithic
1.1.3. Neolithic
1.2. The Bronze Age
1.3. The Iron Age
2. Middle Ages
2.1. Feudalism
2.2. The Crusades
2.2.1. First Crusade
2.2.2. Third Crusade
2.2.3. Children's Crusade
2.3. Black Death
3. Contemporary History
3.1. Globalization
3.2. Technological Advancements
3.3. Environmental Issues
3.4. Health Crises
4. Ancient History
4.1. Ancient Egypt
4.1.1. Pyramids
4.1.2. Pharaohs
4.1.2.1. Tutankhamun
4.1.2.2. Ramses II
4.1.3. Hieroglyphs
4.2. Ancient Greece
4.2.1. City-States
4.2.1.1. Athens
4.2.1.2. Sparta
4.2.2. Philosophy
4.2.2.1. Socrates
4.2.2.2. Plato
4.2.2.3. Aristotle
4.2.3. Mythology
4.2.3.1. Zeus
4.2.3.2. Hades
4.2.3.3. Hera
4.3. Ancient Rome
4.3.1. Republic
4.3.2. Empire
4.3.2.1. Julius Caesar
4.3.2.2. Augustus
4.3.3. Coliseum
4.3.4. Roman Law
5. Modern History
5.1. Renaissance
5.1.1. Michelangelo
5.1.2. Leonardo Da Vinci
5.1.3. Raphael
5.2. Industrial Revolution
5.2.1. Industrial Innovations
5.2.1.1. Steam Engine
5.2.1.2. Spinning Jenny
5.2.1.3. Telegraph
5.2.2. Social Changes
5.2.2.1. Urbanization
5.2.2.2. Changing Working Conditions
5.2.2.3. Women in the Workforce
5.3. World Wars
5.3.1. World War I
5.3.2. World War II
5.3.2.1. Holocaust
5.3.2.2. Pearl Harbor
5.3.2.3. Dropping Atomic bomb on Hiroshima and Nagasaki
5.4. Decolonization and Cold War
5.4.1. Independence Movements
5.4.1.1. India's Independence
5.4.1.2. African Nations' Independence
5.4.2. Division of Nations
5.4.2.1. Formation of Israel
5.4.2.2. Partition of India
5.4.3. The Arms Race
5.4.4. Fall of Soviet Union