13th century in science

http://dbpedia.org/resource/Category:13th_century_in_science an entity of type: Concept

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dbpedia:Category:2nd_millennium_in_science
dbpedia:Category:Science_by_century
dbpedia:Category:Science_in_the_Middle_Ages
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<http://en.wikipedia.org/wiki/Category:13th_century_in_science?oldid=935507544&ns=14>

data from the linked data cloud