Wikimedia Commons has media related to 1811. 1811 (MDCCCXI) was a common year starting on Tuesday of the Gregorian calendar and a common year starting...

The Great Comet of 1811, formally designated C/1811 F1, is a comet that was visible to the naked eye for around 260 days, the longest recorded period of...

The Commissioners' Plan of 1811 was the original design for the streets of Manhattan above Houston Street and below 155th Street, which put in place the...

legislatures. Senators were elected over a wide range of time throughout 1810 and 1811, and a seat may have been filled months late or remained vacant due to legislative...

The 1811–1812 New Madrid earthquakes were a series of intense intraplate earthquakes beginning with an initial earthquake of moment magnitude 7.2–8.2 on...

Paraguay de facto started on 14 May 1811 after the Revolution of May 14 when a local ruling junta was created. In early 1811 Paraguayan forces had repeatedly...

Sir David Davidson (c. 1811 – 18 May 1900) was an army officer in the East India Company in India who worked on improvements to rifle bullets and telescopic...

Surrey Commercial Docks in Rotherhithe, London, England. It was built in 1807–1811 just south of the larger Greenland Dock, to which it is connected by a channel...

regent for his father, King George III, having done so since 5 February 1811 during his father's final mental illness. George IV was the eldest child...

Landing, was a bloodless confrontation between the Saudis and Ottomans in 1811. The Ottoman Sultan ordered Mohammed Ali Pasha to start moving against Saudis...