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Jan 10, 600
Muslim found mathematics in Mesopotamia.
Muslim armies reached Mesopotamia in the 600s, discovering mathematicians using "Arabic Numerals". -
Jan 9, 1200
Marco Polo writes a book called, "Description of the World".
This book was written on the discoveries he made by traveling to China, -
Jan 9, 1200
The Chinese developed a kind of cannon made of hollow bamboo tubes.
When this material was ignited, an expolsion occured and the rock and iron were thrust toward the enemy. -
Jan 10, 1200
Ibn an-Nafis realized that blood circulates throughout the body.
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Jan 9, 1275
Garments made of silk, medical treatments, compasses.
Marco Polo discovered garmnets made of silk in China. -
Jan 9, 1300
Chinese invent stage rockets.
The Chinese were very advanced with fighting technology. -
Jan 10, 1582
Romans changed the calendar.
The Romans created leap year. -
The Chinese discover how to use black powder.
The Chinese discovered how to use black explosive powder. The Chinese used it during battle to launch flaming arrows at enenmies.