c. 1100
Technology
Southeast Asia
Angkor hydraulic city
Khmer engineers built barays and canals irrigating a metropolis of a million people.
Why it mattered
The largest pre-industrial urban complex in the world.
Middle Ages
1100
2 recorded milestones at this point in the record.
c. 1100
Transportation
Oceania
Polynesian double-hulled voyaging canoe
Lashed twin hulls with crab-claw sails carried families, crops and animals across the Pacific.
Why it mattered
A vessel type unmatched for range and payload in its era.
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