Terra Cotta Soldiers
221 BC - 220 BC
% complete
The Great Wall of China
220 BC - 1280 AD
% complete
Compass
200 BC - 100 AD
% complete
Paper
105 AD - 106 AD
% complete
Seismograph
132 AD - 133 AD
% complete
Rockets
228 AD - 229 AD
% complete
Matches
577 AD - 578 AD
% complete
Paper Currency
806 AD - 1050 AD
% complete
Gunpowder
1161 AD - 1162 AD
% complete
The Forbidden City
1406 AD - 1420 AD
% complete
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