Questions tagged [1800s-decade]
For questions about research in the decade from 1800 to 1809, not the entire period from 1800 to 1899. If the question is not only specific to this decade, use the 19th-century tag.
For questions about research in the decade from 1800 to 1809, not the entire period from 1800 to 1899. If the question is not only specific to this decade, use the 19th-century tag.