What is 10 of 1800?

Sure! Here are some significant events and information about the year 1800:

1. The Act of Union 1800: This was an agreement that united the Kingdom of Great Britain and the Kingdom of Ireland, creating the United Kingdom of Great Britain and Ireland.
2. The White House: Construction began on the President's House, which later became known as the White House, in Washington, D.C.
3. Alessandro Volta's battery: Italian physicist Alessandro Volta invented the electric battery, known as the "Voltaic Pile," which constituted a breakthrough in the field of electricity.
4. The Library of Congress: The Library of Congress, the largest library in the world, was established in Washington, D.C., with the intent of serving the U.S. Congress.
5. William Wordsworth's "Lyrical Ballads": The famous collection of poetry, co-written by William Wordsworth and Samuel Taylor Coleridge, was published in 1800, marking a significant shift in English poetry.
6. Gabriel Fahrenheit's mercury-in-glass thermometer: German physicist Gabriel Fahrenheit invented the mercury-in-glass thermometer, which greatly improved temperature measurement accuracy.
7. The Slave Trade Act of 1800: The United States Congress passed a law prohibiting the importation of slaves into the country, marking a step towards the eventual abolition of the slave trade.
8. The École Polytechnique: The prestigious French engineering school, École Polytechnique, was founded in Paris, serving as a center for scientific research and education.
9. The Treaty of Badajoz: Signed between Spain and Portugal, this treaty defined the border between the two countries in the Iberian Peninsula.
10. The Second Coalition against France: The Second Coalition, comprising various European powers, was formed to counter the expansionary aims of the French Republic under Napoleon Bonaparte.