Example image of eyePlorer eyePlorer map for '1812': Gregorian calendar Julian calendar Leap year starting on Monday Leap year starting on Wednesday Roman numerals Allgemeines bürgerliches Gesetzbuch Austria Austrian Empire Civil code January 1 February 2 Fort Ross, California Russia 1812 New Madrid earthquake Elbridge Gerry February 11 February 7 Gerrymandering Governor Massachusetts Moment magnitude scale New Madrid, Missouri February 12 Metric system Napoleon I of France February 13 February 27 George Gordon Byron, 6th Baron Byron House of Lords Industrial Revolution La Aurora de Chile Luddite Nottinghamshire Poetry Cádiz Cortes March 12 Spanish Constitution of 1812 Frank Vickerman March 15 West Yorkshire Wool 1812 Caracas earthquake Caracas March 26 Venezuela April 4 Embargo James Madison President of the United States United Kingdom