New York in the American Civil War of the worst incidents of civil unrest in American history. The week of July 11 to July 16, 1863, was known at the time as "Draft Week". Many citizens were upset with new laws passed by Congress to draft men to fight in the unpopular war. The ensuing disturbances were the largest civil insurrection in American history apart from the Civil War. President Lincoln sent several regiments of militia and volunteer troops to control the city. The rioters numbered in the thousands and were mainly Irish Americans. Smaller-scale riots erupted in other cities throughout the North, including in other places
Names of the American Civil War used the terms "the present civil war between the United States and the so called Confederate States", as well as "the civil war such as that now waged between the Northern and Southern States". English-speaking historians outside the United States usually refer to the conflict as the "American Civil War". These variations are also used in the United States in cases in which the war might otherwise be confused with another historical event (such as the English Civil War, the Irish Civil War or the Spanish Civil War). The term "War Between the States" was rarely used during the war