1804: Morphine is first isolated from opium by the German pharmacist, Friedrich Sertürner
1804: Matthew Flinders recommends that New Holland be renamed Australia (from the Latin "australis" meaning "of the south").
Feb 1804: The Cornishman Richard Trevithick's newly-built Penydarren steam locomotive operates on the Merthyr Tramroad between Penydarren in Merthyr Tydfil and Abercynon in South Wales, following several trials since February 13, the world's first locomotive to work on rails
May 1804: Napoleon Bonaparte is proclaimed Emperor of the French by the French Senate.
2
1805
1805: James Squire becomes the first person in Australia to cultivate Hops.
2 Apr 1805: Hans Christian Andersen, Danish writer (d. 1875) is born.
Jun 1805: The first Trooping the Colour ceremony is held at the Horse Guards Parade in London
Oct 1805: Battle of Trafalgar: British naval fleet led by Admiral Horatio Nelson defeats a combined French and Spanish fleet off the coast of Spain; however, Admiral Nelson is fatally shot.
7 Nov 1805: Hermina Nijhuis is born in Borne, Overijssel, Nederland.
3
1808
Jan 1808: The importation of slaves into the United States is banned; this is also the earliest day under the United States Constitution that an amendment can be made restricting slavery.
1804 - 1810 (5 years)
