785 ⟶ Jia Dan Documents Lighthouses in the Persian Gulf
805: Chinese geographer Jia Dan describes large lighthouse p...
Year
-591
-445
577
785
1027
1107
💧 Sunshu Ao Constructs China's First Major Reservoir
Sunshu Ao (孫叔敖), China's first hydraulic engineer, creates an enormous artificial reservoir by damming a river for a massive irrigation project while employed in the service of King Zhuang of Chu (died 591 BC)⟶
Hydraulic EngineeringIrrigationAgricultureInfrastructure
China⛏️ Ximen Bao Constructs Irrigation System
The Chinese hydraulic engineer Ximen Bao (西門豹) oversees an enormous canal system for agricultural irrigation, while employed by Marquis Wen of Wei (文侯) (445 BC–396 BC).⟶
IrrigationHydraulic EngineeringAgricultureInfrastructureCanals
China🔥 Sulfur Matches Invented in China
💡 Jia Dan Documents Lighthouses in the Persian Gulf
805: Chinese geographer Jia Dan describes large lighthouse pillars built in the Persian Gulf, which is confirmed a century later by al-Mas'udi and al-Muqaddasi.⟶
NavigationMaritime TradePersian GulfEarly TechnologyInfrastructure
China
Iran🧭 Yan Su Recreates South-Pointing Chariot
– The Chinese engineer Yan Su recreates the mechanical compass-vehicle of the south-pointing chariot, first invented by Ma Jun in the 3rd century.⟶
CompassNavigationSong DynastyMilitary Technology
China🧭 Wu Deren Combines Compass and Odometer in Engineering
The Chinese engineer Wu Deren combines the mechanical compass vehicle of the south-pointing chariot with the distance-measuring odometer device.⟶
NavigationChinese HistorySong DynastyMilitary Technology
China