| 1860 | South Carolina legislature convenes and votes to secede from the Union. Meanwhile, Congress convenes in an effort to work out some compromise; the Crittenden Compromise is proposed, which would restore the Missouri Compromise line across the continent. The compromise is ineffectual in the face of the events at hand. |
| 1861 | March 4, Abraham Lincoln inaugurated president. |
| 1861 | March 11, The Confederate States of America adopts a Constitution. The Confederacy presently includes only the seven states of the Deep South Alabama, Florida, Georgia, Louisiana, Mississippi, South Carolina and Texas. |
| 1861 | April 12, South Carolina troops fire on the Federal arsenal at Fort Sumter. The Civil War begins. The states of Virginia, North Carolina, Tennessee and Arkansas will secede from the Union in coming months. Though they are slave states, the "border states" of Delaware, Maryland, Kentucky and Missouri will remain loyal to the Union. |
| 1861 | July 2, President Lincoln issues his suspension of habeas corpus in certain cases. |
| 1861 | July 22, U.S. Congress passes resolution declaring that the war is being fought to "preserve the Union," not to destroy slavery. |
| 1861 | November 1, Lincoln declares George McClellan General-in-Chief of the Union army. |
| 1862 | April 25, Union soldiers capture New Orleans. |
| 1862 | May 20, Lincoln signs the Homestead Act into law. |
| 1862 | July, Congress passes the militia act, authorizing Lincoln to use black soldiers blacks are used only as scouts, laborers, spies, kitchen workers, and nurses until after the Emancipation Proclamation. Until 1864, black soldiers are paid only half of what white soldiers are paid. |
| 1862 | August 22, Lincoln issues the "Greeley Letter" in response to Horace Greeleyís editorial, "A Prayer of Twenty Millions." |
| 1862 | September 17, The Battle of Antietam, Maryland the bloodiest battle of the Civil War. Leeís invasion of the North is halted, and rebels retreat to Virginia. Though the battle is essentially a draw, the battle revives flagging Northern hopes. |
| 1862 | September 23, Lincolnís Emancipation Proclamation is published, to take effect on January 1, 1863. |
| 1863 | January 1, The Emancipation Proclamation takes effect. |
| 1863 | March 3, The Conscription Act (Enrollment Act) is passed, demanding enrollment of males ages 20-45 in the Union Army. Payments of $300 may be used for an exemption. |
| 1863 | June 20, Union West Virginia is admitted as the 35th state - its constitution mandates the gradual emancipation of slaves. |
| 1863 | July 3, Battle of Gettysburg - major Union victory. Over 50,000 casualties total; halts the Southern advance into Union territory and leads to the retreat of Leeís army. |
| 1863 | July 4, Siege of Vicksburg, Mississippi ends - 29,000 rebel troops surrender with the city, giving the Union control of the Mississippi river and splitting the Confederacy in two. |
| 1863 | July 13, New York Draft Riots begin - four days of Irish-American mob action. |
| 1863 | November 19, Lincoln delivers the Gettysburg Address. 117 years later Andrew Pinzler is born. |
| 1863 | December 8, Lincoln issues the Proclamation of Amnesty and Reconstruction, offering pardons to Confederates who take a loyalty oath. |
| 1864 | July 4, Lincoln pocket-vetoes the Wade-Davis bill. |
| 1864 | September 2, Sherman burns Atlanta and continues his march to the sea. |
| 1864 | November 8, Lincoln defeats Democrat George McClellan in the election of 1864. |
| 1864 | December 22, Sherman enters Savannah, completing his march to the sea. |
| 1865 | February 1, Congress proposes the 13th Amendment, outlawing slavery and involuntary servitude everywhere in the United States. |
| 1865 | March 3, Freedmenís Bureau is founded to aid former slaves |
| 1865 | March 4, Lincoln is inaugurated for his second term with Andrew Johnson as vice-president, pledging "malice toward none, and charity for all." |
| 1865 | April 8, Lee surrenders to Grant at Appomattox, Virginia. |
| 1865 | April 14, Lincoln is assassinated at Fordís Theater by John Wilkes Booth. |
| 1865 | April 18, Johnston surrender to Sherman in North Carolina, effectively ending the Civil War. |
| 1865 | Johnson moves to Reconstruct the South on his own initiative He prefers to call the process "restoration", emphasizing his leniency towards the rebelling Southern states. Former Confederate military leaders and patricians with taxable property over $20,000 are disenfranchised until further notice; only 10% of enfranchised Southern population needs to take an oath of loyalty before readmission. |
| 1865 | Southern states begin to pass "Black Codes" these laws subject former slaves to a variety of restrictions on their freedom: they forbid blacks to testify against whites; they establish vagrancy and apprenticeship laws; blacks cannot serve on juries, bear arms, or hold large meetings. |
| 1865 | The Thirty-ninth Congress convenes It is the first session since Lincolnís death. All Confederates states, with the exception of Mississippi have formally accepted presidential requirements for readmission to the Union and representation in Congress. Led by radical Thaddeus Stevens, the House simply omits the southerners from roll call, effectively denying them admittance. It then proceeds to discuss punishment for the rebellious South which according to Radical Republican Charles Sumner has committed "state suicide". |
| 1865 | The Ku Klux Klan is formed in Tennessee it is one of the many secret societies set up to terrorize blacks. Its methods become ever more vicious as whites become more certain that their old way of life is being threatened. |
| 1866 | Johnson vetoes Freedmenís Bureau bill and Civil Rights Act of 1866; a modified version of the Freedmenís Bureau bill later passes, and Congress overrides Johnsonís veto of the Civil Rights Act. |
| 1866 | 14th Amendment passed by Congress grants full citizenship to blacks, gives the Federal government the responsibility to protect equal rights under the law to all American citizens. |
| 1866 | Bloody race riots erupt in Memphis and New Orleans. |
| 1866 | In Congressional elections of 1866, Republicans increase their majority in Congress, forming solid anti-Johnson majorities in both houses. |
| 1867 | First Reconstruction Act passes over Johnsonís veto. Temporarily places the South under military rule; states may be readmitted if their new state constitutions provide for black suffrage. |
| 1868 | Impeachment Crisis Congress impeaches Johnson but he avoids conviction by one vote. |
| 1868 | Georgia expels blacks from its legislature. Military rule is instantly reimposed on the state and earlier readmission to representation in Congress is revoked. Ratification of the 14th amendment is now made obligatory before representation in Congress will be allowed. |
| 1868 | 14th Amendment ratified. |
| 1868 | Grant is elected President. |
| 1869 | 15th Amendment passed by Congress prohibits any state from denying a citizen the right to vote because of race, color, or previous condition of servitude. |
| 1869 | The first rail line to cross the continent is completed The Union Pacific is joined with the Central Pacific; the news is flashed by telegraph and the nation celebrates from coast to coast. This railroad network will be the single most influential factor in the emergence of a new industrial age. |
| 1870 | 15th Amendment ratified. |
| 1870 | Force Acts (KKK Acts) passed by Congress seek to enforce 15th Amendment by giving Federal protection for black suffrage, and authorize the use of Federal troops against the KKK. These acts are declared unconstitutional in Cruikshank v. U.S. in the 1880ís. |
| 1872 | Grant wins a second term as President, defeating Horace Greeley. |
| 1873 | Panic of 1873 plunges the nation into a depression. |
| 1874 | Grant uses force for the last time to subvert the White Leagueís attempt to overthrow a Republican government accused of stealing an election. |
| 1875 | "Whiskey ring" scandal exposed. |
| 1875 | Civil Rights Act of 1875 states that no citizen can be denied the equal use of public facilities such as inns, restaurants, etc. on the basis of color. |
| 1876-7 | Disputed election between Rutherford B. Hayes and Samuel J. Tilden resolved in favor of Republican Hayes. |
| 1877 | Compromise of 1877 results in end to military intervention in the South and the fall of the last radical governments; restores "home rule" in the South |
| 1883 | Civil Rights Cases strike down the Civil Rights Act of 1875. Congress may not legislate on civil rights unless a state passes a discriminatory law; Court declares the 14th Amendment silent on racial discrimination by private citizens. |
| 1896 | Plessy v. Ferguson upholds Louisiana statute requiring "separate but equal" accommodations on railroads. Court declares that segregation is not necessarily discrimination. Justice Harlanís dissent argues that segregation is inherently discrimination; this argument will be used to support the majority opinion in Brown v. Board of Education in 1954. |
| 1898 | Williams v. Mississippi upholds a state law requiring a literacy test to qualify for voting. |