| # Ancient Civilizations & Global History | |
| ## 🏺 Mesopotamia (The Fertile Crescent) | |
| - **Sumer**: Invention of Cuneiform writing and the first city-states (Ur, Uruk). | |
| - **Babylon**: Advanced mathematics, astronomy, and architectural feats like the Hanging Gardens. | |
| ## 🏺 Ancient Egypt | |
| - **Old Kingdom**: Construction of the Pyramids of Giza. | |
| - **Religion**: Polytheism centered on the Pharaoh as a divine intermediary; belief in the afterlife (Osiris). | |
| ## 🏺 Indus Valley Civilization | |
| - **Urban Planning**: Sophisticated drainage systems, standardized brick sizes, and trade with Mesopotamia. | |
| ## 🏺 Ancient China | |
| - **Dynastic Cycles**: The Mandate of Heaven and the development of the Great Wall. | |
| - **Inventions**: Gunpowder, paper, and the compass. | |
| ## 🏺 Pre-Columbian Americas | |
| - **Maya**: Advanced calendar systems and monumental architecture. | |
| - **Inca**: Massive infrastructure (The Royal Road) and administrative efficiency (Quipu). | |