|
|
10 CE
|
|
Strabo maps Roman world
|
|
|
c. 60
|
|
Early steam engine invented by Hero of
Alexandria
|
|
|
90–168
|
|
Greek astronomer Ptolemy
|
|
|
c. 100
|
|
Wheelbarrow invented in China
|
|
|
c. 100
|
|
India: Use of monsoon winds in shipping
|
|
|
105
|
|
First use of paper in China
|
|
|
c. 110
|
|
Menelaus
pioneers trigonometry
|
|
|
c. 180
|
|
Galen writes key medical text
|
|
|
c. 200
|
|
Silkworms imported to China
|
|
|
c. 250
|
|
Diophantus of Alexandria
develops algebra; earliest algebra books in
China
|
|
|
c. 260
|
|
Successful use of 75-foot arch in Iran
|
|
|
c. 271
|
|
Earliest compass in China
|
|
|
321
|
|
Constantine’s calendar uses 7-day week
|
|
|
c. 340
|
|
Geometry of curves developed by Pappus of Alexandria
|
|
|
370–415
|
|
Hypatia of Alexandria,
mathematician
|
|
|
c. 375
|
|
Use of stirrups in China
|
|
|
c. 485
|
|
Tsu Chung Chi accurately
calculates pi
|
|
|
c. 499
|
|
Aryabhata compiles scientific tome in India
|
|
|
525
|
|
First use of Jesus’ birth to mark beginning of Common
Era
|
|
|
c. 560
|
|
First silk production in
Europe
|
|
|
600
|
|
First use of windmills in
Persia
|
|
|
c. 650
|
|
China: City of Xian reaches population of 1 million
|
|
|
720
|
|
Arab chemist Abu Masa Dshaffar
|
|
|
c. 815
|
|
Persia: Mathematician al-Khowarizmi introduces arabic
numerals
|
|
|
825
|
|
Al-Khowarizmi’s Algebra
|
|
|
850
|
|
First gunpowder used in China
|
|
|
c. 900
|
|
Viking innovations in shipbuilding
|
|
|
925
|
|
Al-Razi writes medical compendium
|
|
|
953
|
|
Al-Uqlidsi uses decimal
fractions
|
|
|
c. 975
|
|
Hospital founded in Baghdad
|
|
|
c. 1000
|
|
Arabs spread decimal system to Spain
|
|
|
c. 1000
|
|
Spinning wheels used in China
|
1 CE–1000 CE: Science & Technology
