Everything Everywhere Daily: History, Science, Geography, & More The Song Dynasty
Feb 11, 2026
A journey through Song China’s commercial and urban revolution. Topics include Champa rice and runaway population growth, bustling Hangzhou markets and Grand Canal commerce. Innovations such as paper money, movable type printing, gunpowder weapons, the compass, mechanical clocks, and large-scale iron production get highlighted. Reforms in exams and a meritocratic bureaucracy also feature prominently.
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Champa Rice Powered Urban Growth
- Champa rice enabled triple harvests and drove population growth to ~100 million by 1100.
- That agricultural surplus fueled urbanization and a surge in artisans, inventors, and commerce.
Hangzhou: A Maritime Commercial Hub
- Hangzhou became the world's largest city with planned marketplaces, bridges, and massive river traffic.
- The city leveraged the Grand Canal and maritime trade to become a commercial hub of unprecedented scale.
First Government Paper Currency
- Song cities had the world's most sophisticated commercial society and introduced government paper currency.
- The Zhao Z became the first state-issued paper money, exchangeable for copper coins and backed by the government.
