WHAT ALL HAPPENED MARCH TO OCTOBER 1811
Find out what all happened March to October 1811

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. (5. March 1811)

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 Onoro and the Anglo-Portuguese army holds the field at the end of the day. (5. May 1811)

Leaders of the Mameluke dynasty are killed by Egyptian ruler Muhammad Ali. (1. March 1811)

Venezuela declares independence from Spain. (5. July 1811)

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. (12. March 1811)

Battle of Las Piedras: The first great military triumph of the revolution of the Río de la Plata in Uruguay led by Jose Artigas. (18. May 1811)

Argentine War of Independence: A royalist fleet defeats a small flotilla of revolutionary ships in the Battle of San Nicolás on the River Plate. (2. March 1811)

The Argentine government declare the freedom of expression for the press by decree. (26. October 1811)

The University of Oslo is founded as The Royal Fredericks University, after Frederick VI of Denmark and Norway. (2. September 1811)

Father Miguel Hidalgo y Costilla, leader of the Mexican insurgency, is executed by the Spanish in Chihuahua, Chihuahua, Mexico. (30. July 1811)

Paraguayan forces defeat Manuel Belgrano at the Battle of Tacuarí. (9. March 1811)

Paraguay: Pedro Juan Caballero, Fulgencio Yegros and José Gaspar Rodríguez de Francia start actions to depose the Spanish governor (14. May 1811)

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. (11. March 1811)

Paraguay declares independence from Spain. (15. May 1811)

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). (11. October 1811)

First ascent of Jungfrau, third highest summit in the Bernese Alps by brothers Johann Rudolf and Hieronymus Meyer. (3. August 1811)

Percy Bysshe Shelley is expelled from the University of Oxford for publishing the pamphlet The Necessity of Atheism. (25. March 1811)

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. (9. July 1811)

Peninsular War: The allies Spain, Portugal and United Kingdom, defeat the French at the Battle of Albuera. (16. May 1811)

The first steamboat to sail the Mississippi River arrives in New Orleans, Louisiana. (1. October 1811)