c. 800
Science
Iraq
House of Wisdom translation movement
Baghdad scholars translated and extended Greek, Persian and Indian science.
Why it mattered
Preserved and advanced the scientific inheritance of antiquity.
Middle Ages
800
2 recorded milestones at this point in the record.
c. 800
Agriculture
Europe
Three-field crop rotation
Rotating winter grain, spring legumes and fallow raised yields by half.
Why it mattered
Underpinned European population growth.
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