WHAT ALL HAPPENED APRIL TO SEPTEMBER 1864
Find out what all happened April to September 1864

American Civil War: Battle of Mansfield – Union forces are thwarted by the Confederate army at Mansfield, Louisiana. (8. April 1864)

American Civil War: The Battle of the Wilderness begins in Spotsylvania County, Virginia. (5. May 1864)

American Civil War: Battle of Kernstown – Confederate General Jubal Early defeats Union troops led by General George Crook in an effort to keep them out of the Shenandoah Valley. (24. July 1864)

American Civil War: The Battle of Marks' Mills. (25. April 1864)

Second War of Schleswig: The Danish navy defeats the Austrian and Prussian fleets in the Battle of Heligoland. (9. May 1864)

Arlington National Cemetery is established when 200 acres (0.81 km2) around Arlington Mansion (formerly owned by Confederate General Robert E. Lee) are officially set aside as a military cemetery by U.S. Secretary of War Edwin M. Stanton. (15. June 1864)

American Civil War: the Battle of Spotsylvania Court House: thousands of Union and Confederate soldiers die in "the Bloody Angle". (12. May 1864)

American Civil War: After ten weeks, the Union Army's Red River Campaign ends with the Union unable to achieve any of its objectives. (22. May 1864)

After Uruguay's governing Blanco Party refuses Brazil's demands, José Antônio Saraiva announces that the Brazilian military will begin reprisals, beginning the Uruguayan War. (10. August 1864)

Theta Xi fraternity is founded at Rensselaer Polytechnic Institute, the only fraternity to be founded during the American Civil War. (29. April 1864)

American Civil War: The Second Battle of Petersburg begins. (15. June 1864)

American Civil War: Union forces enter Atlanta, Georgia, a day after the Confederate defenders flee the city, ending the Atlanta Campaign. (2. September 1864)

Ikedaya Incident: the Choshu Han shishi's planned Shinsengumi sabotage on Kyoto, Japan at Ikedaya. (8. July 1864)

American Civil War: Battle of Piedmont: Union forces under General David Hunter defeat a Confederate army at Piedmont, Virginia, taking nearly 1,000 prisoners. (5. June 1864)

American Civil War: Battle of Resaca, Georgia ends. (15. May 1864)

American Civil War: Atlanta, Georgia, is evacuated on orders of Union General William Tecumseh Sherman. (7. September 1864)

During the American Civil War, Union forces led by General William T. Sherman launch an assault on Atlanta, Georgia. (31. August 1864)

American Civil War: Battle of Ware Bottom Church – in the Virginia Bermuda Hundred Campaign, 10,000 troops fight in this Confederate victory. (20. May 1864)

American Civil War: The Battle of Plymouth begins – Confederate forces attack Plymouth, North Carolina. (17. April 1864)

American Civil War: The Army of the Potomac, under General Ulysses S. Grant, breaks off from the Battle of the Wilderness and moves southwards. (7. May 1864)