1811 events in history

Jan 8 An unsuccessful slave revolt is led by Charles Deslondes in St. Charles and St. James, Louisiana
Jan 17 Mexican War of Independence: In the Battle of Calderón Bridge, a heavily outnumbered Spanish force of 6,000 troops defeats nearly 100,000 Mexican revolutionaries
Feb 28 Cry of Asencio, beginning of the Uruguayan War of Independence
Mar 1 Leaders of the Mameluke dynasty are killed by Egyptian ruler Muhammad Ali
Mar 2 Argentine War of Independence: A royalist fleet defeats a small flotilla of revolutionary ships in the Battle of San Nicolás on the River Plate
Mar 5 Peninsular War: A French force under the command of Marshal Victor is routed while trying to prevent an Anglo-Spanish-Portuguese army from lifting the Siege of Cádiz in the Battle of Barrosa
Mar 9 Paraguayan forces defeat Manuel Belgrano at the Battle of Tacuarí
Mar 11 During André Masséna's retreat from the Lines of Torres Vedras, a division led by French Marshal Michel Ney fights off a combined Anglo-Portuguese force to give Masséna time to escape
Mar 12 Peninsular War: A day after a successful rear guard action, French Marshal Michel Ney once again successfully delayed the pursuing Anglo-Portuguese force at the Battle of Redinha
Mar 25 Percy Bysshe Shelley is expelled from the University of Oxford for publishing the pamphlet The Necessity of Atheism
May 5 In the second day of fighting at the Peninsular War Battle of Fuentes de Oñoro the French army, under Marshall André Masséna, drive in the Duke of Wellington's overextended right flank, but French frontal assaults fail to take the town of Fuentes de Oñoro and the Anglo-Portuguese army holds the field at the end of the day
May 14 Paraguay: Pedro Juan Caballero, Fulgencio Yegros and José Gaspar Rodríguez de Francia start actions to depose the Spanish governor
May 15 Paraguay declares independence from Spain
May 16 Peninsular War: The allies Spain, Portugal and United Kingdom, defeat the French at the Battle of Albuera
May 18 Battle of Las Piedras: The first great military triumph of the revolution of the Río de la Plata in Uruguay led by José Artigas
Jul 5 Venezuela declares independence from Spain
Jul 9 Explorer David Thompson posts a sign at the confluence of the Columbia and Snake Rivers (in modern Washington state, US), claiming the land for the United Kingdom
Jul 30 Father Miguel Hidalgo y Costilla, leader of the Mexican insurgency, is executed by the Spanish in Chihuahua, Chihuahua, Mexico
Aug 3 First ascent of Jungfrau, third highest summit in the Bernese Alps by brothers Johann Rudolf and Hieronymus Meyer
Sep 2 The University of Oslo is founded as The Royal Fredericks University, after Frederick VI of Denmark and Norway
Oct 1 The first steamboat to sail the Mississippi River arrives in New Orleans
Oct 11 Inventor John Stevens' boat, the Juliana, begins operation as the first steam-powered ferry (service between New York City, New York, and Hoboken, New Jersey)
Oct 26 The Argentine government declare the freedom of expression for the press by decree
Nov 5 Salvadoran priest José Matías Delgado, rings the bells of La Merced church in San Salvador, calling for insurrection and launching the 1811 Independence Movement
Nov 7 Tecumseh's War: The Battle of Tippecanoe is fought near present-day Battle Ground, Indiana, United States
Nov 17 José Miguel Carrera, Chilean founding father, is sworn in as President of the executive Junta of the government of Chile
Nov 28 Beethoven's Piano Concerto No. 5 in E-flat major, Op. 73, premieres at the Gewandhaus in Leipzig
Dec 16 The first two in a series of four severe earthquakes occur in the vicinity of New Madrid, Missouri
Dec 26 A theater fire in Richmond, Virginia kills the Governor of Virginia George William Smith and the president of the First National Bank of Virginia Abraham B. Venable