The category is for articles and events specifically related to the decade of the 1800s which begins in the year 1800 and ends in the year 1809.
Note that 1800 is actually the last year of the 18th century; 1801 is the actual first year of the 19th century.
This category has the following 11 subcategories, out of 11 total.
Pages in category "1800s"
This category contains only the following page.