The Amnesty Act of 1872 removed voting restrictions and office-holding disqualification against most whites who rebelled in the United States Civil War, except for very high positions. 1872 was a leap year starting on Monday (see link for calendar). ... The American Civil War was fought in the United States from 1861 until 1865 between the northern states, popularly referred to as the U.S., the Union, the North, or the Yankees; and the seceding southern states, commonly referred to as the Confederate States of America, the CSA, the Confederacy...
May 22 - Reconstruction: President Ulysses S. Grant signs the AmnestyAct of 1872 into law restoring full civil rights to to all but about 500 Confederate sympathizers.
November 5 - Womens suffrage: In defiance of the law, suffragist Susan B. Anthony votes for the first time (on November 18 she was served an arrest warrant and in the subsequent trial she was fined $100 - she never paid the fine).
November 9 - Great Boston Fire of 1872: In Boston, Massachusetts, a large fire begins to burn on Lincoln Street (the two day event destroyed about 65 acres of city, 776 buildings, much of the financial district and caused US$60 million in damage).