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Category:2nd century BC in science is a Wikimedia category[1].
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4ort.xyz Knowledge Graph. (2026). Category:2nd century BC in science. Retrieved May 3, 2026, from https://4ort.xyz/entity/category-2nd-century-bc-in-science
“Category:2nd century BC in science.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/category-2nd-century-bc-in-science.
@misc{4ortxyz_category-2nd-century-bc-in-science_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Category:2nd century BC in science}}, year = {2026}, url = {https://4ort.xyz/entity/category-2nd-century-bc-in-science}, note = {Accessed: 2026-05-03}}
According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Category:2nd century BC in science — https://4ort.xyz/entity/category-2nd-century-bc-in-science (retrieved 2026-05-03)
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