* 1812 – British forces under the command of the Duke of Wellington assault the fortress of Badajoz.

* 1812 – Alexander Herzen, Russian writer ( d. 1870 )

* 1812 – The Territory of Orleans becomes the 18th U. S. state under the name Louisiana.

* 1812 – Kaspar Hauser, German mystery boy ( d. 1833 )

* 1812 – Bertalan Szemere, Hungarian politician ( d. 1869 )

* 1812 – War of 1812: The Battle of Fort Dearborn is fought between United States troops and Potawatomi at what is now Chicago, Illinois.

* 1812 – War of 1812: American General William Hull surrenders Fort Detroit without a fight to the British Army.

* 1812 – War of 1812: American frigate defeats the British frigate off the coast of Nova Scotia, Canada earning her nickname " Old Ironsides ".

He was one of the founders of the Geological Society of London in 1807 and was its honorary secretary in 1812 – 1817.

Andrew Johnson was born in Raleigh, North Carolina, to Jacob Johnson ( 1778 – 1812 ) and Mary (" Polly ") McDonough ( 1783 – 1856 ), a seamstress and the daughter of Andrew McDonough.

* 1812 – Peninsula War: A coalition of Spanish, British, and Portuguese forces succeed in lifting the two-and-a-half-year-long Siege of Cádiz.

* Alfonso Sanz y Martínez de Arizala ( 28 January 1880, Madrid – 1970 ), married in 1922 to María de Guadalupe de Limantour y Mariscal ( d. 1977, Marbella ), daughter of Julio de Limantour y Marquet ( 17 June 1863, Mexico City – 11 October 1909, Mexico City ) and wife Elena Mariscal y ..., paternal granddaughter of French Joseph Yves de Limantour y Rence de la Pagame ( 1812, Ploemeur – 1885, Mexico City ) and wife Adèle Marquet y Cabannes ( 1820, Bordeaux –?

* 1768 – Joseph Dennie, American author and journalist ( d. 1812 )

* 1812 – Agoston Haraszthy Hungarian-American traveler, writer, and winemaker, founded Buena Vista Winery ( d. 1869 )

* 1812 – Peninsular War: French troops engage British-Portuguese forces in the Battle of Majadahonda.

* 1748 – Joseph Schuster, German composer ( d. 1812 )

* 1813 – War of 1812: United States troops capture the capital of Upper Canada in the Battle of York ( present day Toronto, Canada ).

* Principality of Anhalt-Bernburg-Schaumburg-Hoym: 1718 – 1812

* 1814 – War of 1812: The American schooner USS Carolina is destroyed.

* August 19 – War of 1812: The USS Constitution defeats the British frigate Guerrière off the coast of Nova Scotia.

* December 29 – War of 1812: The USS Constitution defeats the British frigate Java off the coast of Brazil.

During the War of 1812, the USS Constitution sailed from Annapolis prior to its victorious engagement with the HMS Guerriere.

Farragut was 12 years old when, during the War of 1812, he was given the assignment to bring a ship captured by the USS Essex, safely to port.

It was named after The USS Lawrence, Flagship of Oliver Hazard Perry, and her namesake, James Lawrence, commander of the USS Chesapeake during the War of 1812.

A large anchor from the " USS Blakeley ( DD-150 )" Destroyer memorializing this naval hero of the War of 1812 for whom the Borough of Blakely is named .< ref > Science Fiction Club.

* USS Nautilus ( 1799 ), a 12-gun schooner ( 1799 – 1812 )

* The brig USS Argus used during the First Barbary War and the War of 1812.

* The brig USS Oneida used during the War of 1812.

* The brig USS Niagara captained by commander Oliver Hazard Perry in the Battle of Lake Erie, a pivotal victory for the United States in the War of 1812.

* The first USS Macedonian ( 1810 ) was a 38-gun sailing frigate, originally HMS Macedonian of the Royal Navy, captured by Stephen Decatur in the War of 1812.

* USS Gallatin ( 1807 ), a sailing ship used initially by the U. S. Revenue Cutter Service, fought in the War of 1812

During the War of 1812, Biddle was first lieutenant in USS Wasp.

* USS Wasp, a U. S. Navy sloop which served with distinction during the War of 1812.

The Shannon Capture of USS Chesapeake near Boston on 1 June 1813, during the War of 1812.

* 1809 — HMS Macedonian ; frigate captured by USS United States during the War of 1812.

Three ships of the United States Navy have been named USS Lake Champlain, after the Battle of Lake Champlain in the War of 1812.

In the War of 1812 she fought a duel with USS President on 15 January 1815, disabling the American ship.

The USS Constitution came to the Yard in 1812 to refit and prepare for combat action.

In the logbook of the USS Constitution, opening " Remarks on Board Monday July 13th 1812 " is the comment " From 12 to 4 AM moderate breezes and thick cloudy weather with rain at 1 AM hauled up the mainsail and set the spinnaker at ½ past 3 AM set the mainsail JTS T. Shubrick, Fifth Lieutenant.

Wilkes ' names follow a pattern: Isaac Hull was the commander of " Old Ironsides " ( the USS Constitution ) and won fame after capturing the British warship Guerriere in the War of 1812.

She participated in an action where she rescued HMS Frolic by capturing the USS Wasp in 1812.