WHAT HAPPENED IN 1806.
Look what happened the 1806.

The French Republican Calendar is abolished. (1. January 1806)

Cape Colony becomes a British colony. (8. January 1806)

Admiral Horatio Lord Nelson receives a state funeral and is interred in St Paul's Cathedral. (9. January 1806)

Dutch settlers in Cape Town surrender to the British. (10. January 1806)

The United Kingdom occupies the Cape of Good Hope. (19. January 1806)

The original Lower Trenton Bridge (also called the Trenton Makes the World Takes Bridge), which spans the Delaware River between Morrisville, Pennsylvania and Trenton, New Jersey, is opened. (30. January 1806)

Battle of San Domingo: British naval victory against the French in the Caribbean. (6. February 1806)

After traveling through the Louisiana Purchase and reaching the Pacific Ocean, explorers Lewis and Clark and their "Corps of Discovery" begin their arduous journey home. (23. March 1806)

Construction is authorized of the Great National Pike, better known as the Cumberland Road, becoming the first United States federal highway. (29. March 1806)

Andrew Jackson kills Charles Dickinson in a duel after Dickinson had accused Jackson's wife of bigamy. (30. May 1806)

British forces take Buenos Aires during the first British invasions of the Río de la Plata. (27. June 1806)

The Vellore Mutiny is the first instance of a mutiny by Indian sepoys against the British East India Company. (10. July 1806)

Sixteen German imperial states leave the Holy Roman Empire and form the Confederation of the Rhine. (12. July 1806)

Liechtenstein is given full sovereignty after its accession to the Confederation of the Rhine. (12. July 1806)

Pike expedition: United States Army Lieutenant Zebulon Pike begins an expedition from Fort Bellefontaine near St. Louis, Missouri, to explore the west. (15. July 1806)

Francis II, the last Holy Roman Emperor, abdicates ending the Holy Roman Empire. (6. August 1806)

Santiago de Liniers, 1st Count of Buenos Aires re-takes the city of Buenos Aires, Argentina after the first British invasion. (12. August 1806)

Battle of Mišar during the Serbian Revolution begins. The battle will end two days later, with a decisive Serbian victory over the Ottomans. (13. August 1806)

A massive landslide destroys the town of Goldau, Switzerland, killing 457. (2. September 1806)

Lewis and Clark return to St. Louis after exploring the Pacific Northwest of the United States. (23. September 1806)