Example image of eyePlorer eyePlorer map for '1861': Common year starting on Sunday Common year starting on Tuesday Gregorian calendar Julian calendar Roman numerals Benito Juárez January 1 Mexico City American Civil War Delaware Frederick William IV of Prussia January 2 January 3 United States Wilhelm I, German Emperor January 9 Mississippi Florida January 10 Alabama January 11 January 12 Robert Anderson (Civil War) Georgia (U.S. state) January 18 January 21 Jefferson Davis United States Senate January 26 January 29 Kansas U.S. state February 1 Texas Confederate States of America February 4 Montgomery, Alabama February 8 February 9 February 11 February 13 Francis II of the Two Sicilies Siege of Gaeta (1860) Italy Kingdom of Sardinia Victor Emmanuel II of Italy Emancipation reform of 1861 February 19 Italian unification Russia