* 1723 – Mathurin Jacques Brisson, French naturalist ( d. 1806 )

* 1806 – Francis II, the last Holy Roman Emperor, abdicates ending the Holy Roman Empire.

* 1806 – Battle of Mišar during the Serbian Revolution begins.

* 1806 – Santiago de Liniers, 1st Count of Buenos Aires re-takes the city of Buenos Aires, Argentina after the first British invasion.

* 1724 – George Stubbs, English painter ( d. 1806 )

* Anton Alexander Graf von Auersperg ( 1806 – 1876 ) – Austrian poet who wrote under the pseudonym of Anastasius Grün.

The Lewis and Clark Expedition spent the winter of 1805 – 1806 at Fort Clatsop, a small log structure south and west of modern day Astoria.

* 1806 – Michael Haydn, Austrian composer ( b. 1737 )

* 1727 – Michel Adanson, French botanist ( d. 1806 )

* William Bernard Ullathorne ( 1806 – 89 )

Following his conquest of most of Western Europe, the first Napoleon made his elder brother Joseph ( 1768 – 1844 ) king first of Naples ( 1806 – 1808 ) and then of Spain ( 1808 – 1813 ), his third brother Louis ( 1778 – 1846 ) king of Holland ( 1806 – 1810 ) ( subsequently forcing his abdication after his failure to subordinate Dutch interests to those of France ) and his youngest brother Jérôme Bonaparte ( 1784 – 1860 ) king of Westphalia, the short-lived realm created from some of the states of northwestern Germany ( 1807 – 1813 ).

This post later became a fully-fledged colony, the Cape Colony ( 1652 – 1806 ).

* 1806 – The United Kingdom occupies the Cape of Good Hope.

* 1806 – Dutch settlers in Cape Town surrender to the British.

During the Napoleonic Wars, a British military expedition landed in the Cape Colony and defeated the defending Dutch forces at the Battle of Blaauwberg ( 1806 ).

With the 1886 discovery of gold in the Transvaal, the resulting gold rush brought thousands of British and other prospectors and settlers from across the globe and over the border from the Cape Colony ( under British control since 1806 ).

When the Dutch Republic, during the Napoleonic Wars, was occupied by the French in 1795, henceforth becoming their vassal and enemy of the British, the United Kingdom invaded and occupied the Cape Colony that same year ; relinquished control of the territory in 1803 ; only to return and reoccupy the Cape on 19 January 1806.

In 1806, the British Navy invaded the Cape of Good Hope on its own, and appointed British land administrators there, who were zealous propagators of the Enlightenment.

In 1806 Britain retook the Cape Colony from the Batavian Republic ; Napoleon abolished the Republic later that year in favour of the Kingdom of Holland, ruled by his brother Louis.

In 1806 Great Britain took over the Cape to prevent the territory's falling under Napoleon's hands and to secure control over the crucial Far Eastern trade routes.

In 1806, on the reconquest of the Cape by the United Kingdom, Barnard was reappointed Colonial Secretary, but Lady Anne did not accompany him there ; he died at the Cape in 1807.

The history of Cape Colony from 1806 to 1870 spans the period of the history of Cape Colony during the Cape Frontier Wars, also called the Kaffir Wars, which lasted from 1811 to 1858.

After a battle in January 1806 on the shores of Table Bay, the Dutch garrison of Cape Castle surrendered to the British under Sir David Baird, and in 1814, the colony was ceded outright by the Netherlands to the British crown.

On his voyage to the East, Martyn happened to be present at the British conquest of the Cape Colony on 8 January 1806.

Janssens had previously served as Governor General of the Cape Colony, and had been forced to capitulate after being defeated by British forces at the Battle of Blaauwberg in 1806.

Between 1802 and 1806 he travelled in southern Africa, becoming the personal physician of the Governor of the Cape of Good Hope.

After co-operating with Sir David Baird in the occupation of the Cape of Good Hope in 1806, he led the attempt on Buenos Aires with his squadron and 1400 soldiers ; but the Spanish colonists, though discontented, were not disposed to accept British rule.

* Cape of Good Hope 1806, Rolica, Vimeira, Corunna, Pyrenees, Nivelle, Nive, Orthes, Toulouse, Peninsula, South Africa 1846-7, 1851-2-3, Alma, Balaklava, Sevastopol, Lucknow, South Africa 1879, Modder River, Paardeberg, South Africa 1899 – 1902.

** Gibraltar 1704-5, Louisberg, Quebec 1759, Belleisle, Martinique 1762, Havannah, St Lucia 1778, Cape of Good Hope 1806, Maida, Monte Video, Rolica.

In 1806 the 1st Battalion arrived in the Cape of Good Hope to undertake garrison duties in the territory captured from the Dutch.

The Noon Gun has been an historic time signal in Cape Town, South Africa since 1806.

# REDIRECT History of Cape Colony before 1806

It is named after Samson Dyer, an emigrant from the USA to the Cape Colony in 1806, who lived on the island collecting guano, which he sold to mainlanders as fertilizer.

The first Anglican clergy to minister regularly at the Cape were military chaplains who accompanied the troops when the British occupied the Cape Colony in 1795 and then again in 1806.

In 1814, Cape Colony, which had been continuously occupied by British troops since 1806, was formally ceded to the British crown.

* 1806: McTavish, Frobisher & Co becomes McTavish, McGillivrays & Co

* 1806: Mudau becomes part of the Grand Duchy of Baden.

* 1806 Buchau becomes a township of the kingdom of Württemberg.

* 1806 – Battle of San Domingo: British naval victory against the French in the Caribbean.

The defeat of the British invasions of the Río de la Plata in South America ( 1806 and 1807 ) emboldened an independent attitude in Spain's American colonies.

British Governor Raffles, who the later founded the city of Singapore, ruled the colony the following 10 years of the British interregnum ( 1806 – 1816 ).

* 1806 – British forces take Buenos Aires during the first British invasions of the Río de la Plata.

* 1806 – The Vellore Mutiny is the first instance of a mutiny by Indian sepoys against the British East India Company.

John Graves Simcoe ( February 25, 1752 – October 26, 1806 ) was a British army officer and the first Lieutenant Governor of Upper Canada from 1791 – 1796.

When Monroe and the British signed a renewal in December 1806, Jefferson decided to reject it, and not submit it to the Senate.

* 1806 – Elizabeth Barrett Browning, British poet ( d. 1861 )

* 1806 – Napoleonic Wars: Forces of the British Empire lay siege to the port of Boulogne in France by using Congreve rockets, invented by Sir William Congreve.

When British troops attempted to seize Buenos Aires in 1806, the attack was repulsed by the city's residents, not by Spain.

In 1806, the Leeward Islands Caribee government was split into two groups, with Antigua, Barbuda, Redonda and Montserrat in one group, and St. Kitts, Nevis, Anguilla and the British Virgin Islands in the other.

Thomas Hare ( born in England, 28 March 1806 ; died 6 May 1891 ) was a British proponent of electoral reform.

In 1806 and 1807, the British army attempted to seize Buenos Aires and Montevideo as part of the Napoleonic Wars.

In 1806 and 1807, the British ( enemies of Spain in the Napoleonic Wars ) launched the British invasions of the Río de la Plata.

* September 15 – Isambard Kingdom Brunel, British engineer ( b. 1806 )

* May 8 – John Stuart Mill, British philosopher ( b. 1806 )