Francis II () ( 12 February 1768 – 2 March 1835 ) was the last Holy Roman Emperor, ruling from 1792 until 6 August 1806, when he dissolved the Holy Roman Empire after the disastrous defeat of the Third Coalition by Napoleon at the Battle of Austerlitz.

The Corps turned home on March 23, 1806, using canoes, and later by land.

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

* March 18 – Augustus De Morgan, professor of mathematics and mathematician ( b. 1806 )

* March 3 – Oliver Cowdery, U. S. religious leader ( b. 1806 )

* March 8 – Prince William V of Orange ( d. 1806 )

* March 17 – Lachlan McIntosh, Scottish-born American military and political leader ( d. 1806 )

* Wilhelmina Frederika Louise Pauline Charlotte ( b. Berlin, 1 March 1800 – d. Freienwalde, 22 December 1806 ).

This day () commemorates President Benito Juárez's birthday on March 21, 1806.

In this form the opera was first performed on 29 March and 10 April 1806, with greater success.

On March 21, 1806, of Chenango County was partitioned to produce Madison County.

Construction of the Cumberland Road ( which later became part of the National Road ) was authorized on March 29, 1806, by President Thomas Jefferson.

Arguably " the worst epidemic of the Spanish Era in California " was known to be the measles epidemic of 1806, wherein one-quarter of the mission Indian population of the San Francisco Bay area died of the measles or related complications between March and May of that year.

Prince Eugène was adopted by Napoleon on 12 January 1806 ; while excluded from the French empire's succession, he was given presumptive rights for him and his descendants in the male line to the throne of Italy in the absence of a second son of Napoleon on 16 February 1806, and hence on 20 December 1807 given the title of Prince de Venise (' Prince of Venice '), which had been instituted by article 9 of the decree of 30 March 1806 ( when the former Austrian province of Venice was united to Bonaparte's kingdom of Italy ) for the Heir Presumptive to Napoleon in Italy.

William V, Prince of Orange-Nassau ( Willem Batavus ; 8 March 1748 – 9 April 1806 ) was the last Stadtholder of the Dutch Republic, and between 1795 and 1806 he led the Government of the Dutch Republic in Exile in London.

At the time of his election in August 1806, he did not meet the U. S. Constitution's age requirement for service in the House ( 25 ), but by the time the congressional session began the following March, he met the required age.

Geauga County was founded on March 1, 1806 as the second county in the Connecticut Western Reserve, originating from Trumbull County, Ohio.

The Newark and Mount Pleasant Turnpike was established along the present-day alignment of Route 10 east of Dover on March 12, 1806, existing as a turnpike until before 1833.

Benito Juárez (; 21 March 1806 – 18 July 1872 ) born Benito Pablo Juárez García, was a Mexican lawyer and politician of Zapotec origin from Oaxaca who served five terms as president of Mexico: 1858 – 1861 as interim, then 1861 – 1865, 1865 – 1867, 1867 – 1871 and 1871 – 1872 as constitutional president.

Juárez was born on 21 March 1806 in a small adobe home in the village of San Pablo Guelatao, Oaxaca, located in the mountain range now known as the " Sierra Juárez ".

Georgiana Cavendish, Duchess of Devonshire ( née Spencer ; ; 7 June 1757 – 30 March 1806 ) was the first wife of the 5th Duke of Devonshire, and mother of the 6th Duke of Devonshire.

She died on 30 March 1806, aged 48, from what was thought to be an abscess of the liver ; she was buried at All Saints Parish Church ( which is now Derby Cathedral ).

Albert was married in 1124 to Sophie of Winzenburg ( died 25 March 1160 ) and they had the following children:

He married secondly to Anna Maria ( 1532 – 20 March 1568 ), daughter of Eric I, Duke of Brunswick-Lüneburg, in 1550.

** Zehra Kadriye Katırcıoğlu ( Istanbul 12 March 1929-Istanbul 15 May 2012 ), married Ahmet Cevat Tugay have 4 sons and a daughter

He married secondly at Çubuklu, Bosphorus, on 1 March 1910 and divorced in 1913 Hungarian Noblewoman Marianne Török de Szendrö, who took the name Zübeyde Cavidan Hanım ( Philadelphia, Philadelphia County, Pennsylvania, 8 January 1874-aft.

He married firstly at the Dolmabahçe Palace in Constantinople in 1856 to Georgian HH Dürrünev Kadın Efendi ( Batumi, 15 March 1835 – Constantinople, Üsküdar, Çamlıca Palace, 3 December 1892 ), and had three children.

On March 3, 1923, in Havana, Cuba, Nin married her first husband, Hugh Parker Guiler ( 1898 – 1985 ), a banker and artist, later known as " Ian Hugo " when he became a maker of experimental films in the late 1940s.

On March 17, 1955, she married him at Quartzsite, Arizona, returning with Pole to live in California.

On 8 March 1873, at the urging of his father, the twenty-eight-year-old ` Abdu ’ l-Bahá married Fátimih Nahrí of Isfahán ( 1847 – 1938 ) a twenty-five-year-old noblewoman.

On 10 May 1499, Cesare married Charlotte of Albret ( 1480 – 11 March 1514 ).

She married British bartender turned Los Angeles bar owner Jeremy Thomas on March 20, 1994, and filed for divorce less than two months later.

She eventually married Eugene Janssen ( February 18, 1918 – March 30, 1996 ) on September 29, 1940 in Los Angeles.

Brewster married second time in Nice, on 26 ( or 27 ) March 1857, to Jane Kirk Purnell ( b. 1827 ), the second daughter of Thomas Purnell of Scarborough.

Arnaz married his second wife, Edith Mack Hirsch, on March 2, 1963, and greatly reduced his show business activities.

Jenner married Catherine Kingscote ( died 1815 from tuberculosis ) in March 1788 after meeting her while he and other Fellows were experimenting with balloons.

He was married to the former Sylvia Weinstein from April 28, 1930, until her death on March 16, 1973.

Mary and Bertie were married sometime before March of the following year.

Eli Wallach has been married to stage actress Anne Jackson ( born 1926 ) since March 5, 1948, and they have three children:

His first wife was Thea Almerigotti, whom he married on March 8, 1919.

# Sofie ( 10 March 1485, Ansbach – 24 May 1537, Liegnitz ), married on 14 November 1518 to Duke Frederick II of Legnica.

# Elisabeth ( 25 March 1494, Ansbach – 31 May 1518, Pforzheim ), married in Pforzheim on 29 September 1510 to Margrave Ernest of Baden-Durlach.

), married John Udny of Udny in March 1701

They were married on 4 May 1836 and Margherita gave birth to two children, Virginia Maria Luigia ( 26 March 1837 – 12 August 1838 ) and Icilio Romano ( 11 July 1838 – 22 October 1839 ).

First ( 1559 ) he married Elisabeth of Brandenburg-Küstrin ( 29 August 1540 – 8 March 1578 ).

* Sophie of Brandenburg-Ansbach ( March 23, 1535 – February 12, 1587 ) married Henry XI of Legnica on November 11, 1560.

# Frederick ( b. Dresden, 15 March 1504 – d. Dresden, 26 February 1539 ), Hereditary Duke of Saxony ; married on 27 January 1539 to Elisabeth of Mansfeld.