1800 Calendar

March 21, 1800 – With the church leadership driven out of Rome during an armed conflict, Pius VII is crowned Pope in Venice with a temporary papal tiara made of papier-mâché.

April 24, 1800 – The United States Library of Congress is established when President John Adams signs legislation to appropriate $5,000 USD to purchase “such books as may be necessary for the use of Congress”.

May 15, 1800 – George III of the United Kingdom survives an assassination attempt by James Hadfield, who is later acquitted by reason of insanity.

June 7, 1800 – David Thompson reaches the mouth of the Saskatchewan River in Manitoba.

August 1, 1800 – The Act of Union 1800 is passed in which merges the Kingdom of Great Britain and the Kingdom of Ireland into the United Kingdom of Great Britain and Ireland.

September 5, 1800 – Napoleon surrenders Malta to Great Britain.

October 1, 1800 – Spain cedes Louisiana to France via the Treaty of San Ildefonso.

October 7, 1800 – French corsair Robert Surcouf, commander of the 18-gun ship La Confiance, captures the British 38-gun Kent inspiring the traditional French song Le Trente-et-un du mois d'août.

October 17, 1800 – Britain takes control of the Dutch colony of Curaçao.

November 1, 1800 – US President John Adams becomes the first President of the United States to live in the Executive Mansion (later renamed the White House).

January 11, 1800 – Ányos Jedlik, Hungarian physicist (d. 1895)

March 16, 1800 – Emperor Ninko of Japan (d. 1846)

April 14, 1800 – John George Appold, fur dyer and engineer (d. 1865)

June 1, 1800 – Edward Deas Thomson, Australian politician (d. 1879)

August 22, 1800 – Samuel David Luzzatto, Italian-Jewish scholar (d. 1865)

September 6, 1800 – Catharine Beecher, American educator (d. 1878)

September 30, 1800 – Decimus Burton, British architect (d. 1881)

October 2, 1800 – Nat Turner, American slave and slave rebellion figure (d. 1831)

October 3, 1800 – George Bancroft, American historian and 17th Secretary of the Navy (d. 1891)