Economic and agricultural change in Zhou states: iron, land use, and monetization (c.8th–3rd centuries BCE)

1. Qin unifies currency; Ban Liang replaces regional coinages

   Jan 1, 221Labels: Qin dynasty, Ban Liang

   • BanLiang
   • ANA

2. Zhengguo Canal construction begins in Qin

   Jan 1, 246Labels: Zhengguo Canal, Qin state

   • ICID
   • Zhengguo

3. Dujiangyan irrigation system constructed in Qin-controlled Sichuan

   Jan 1, 256Labels: Dujiangyan, Chengdu Plain

   • Dujiangyan

4. Mid-Warring States Qin shows bloomery and cast iron together

   Jan 1, 350Labels: Qin cemetery, iron metallurgy

   • SciDirect

5. Shang Yang’s later reforms privatize land in Qin

   Jan 1, 350Labels: Shang Yang, land privatization

   • ChinaCult
   • HanEcon

6. Shang Yang launches first major Qin reforms

   Jan 1, 356Labels: Shang Yang, Qin reforms

   • Britannica
   • ChinaCult

7. Round coins with central holes circulate in Warring States

   Jan 1, 400Labels: Warring States, round coin

   • ANA

8. Cast iron specimens date to late Spring and Autumn

   Jan 1, 500Labels: cast iron, Spring and

   • HanTech
   • IntArch

9. Zichan’s agrarian reforms tax land and organize households

   Jan 1, 543Labels: Zichan, state of

   • Zichan

10. Wrought iron luxury goods become widespread

    Jan 1, 600Labels: wrought iron, prestige goods

    • BlastFurn
    • Wagner

11. Square-shoulder spade money spreads in royal domain

    Jan 1, 650Labels: spade money, Zhou royal

    • Coinage

12. Inscribed spade money appears in circulation

    Jan 1, 700Labels: inscribed spade, coinage

    • Coinage
    • Coinage

13. Eastern Zhou begins; competing states intensify production

    Jan 1, 770Labels: Eastern Zhou, competing states

    • Britannica

14. Cast iron smelting emerges in early Zhou-era China

    Jan 1, 800Labels: cast iron, early Zhou

    • SciDirect
    • IntArch