WHAT ALL HAPPENED MARCH TO AUGUST 1864
Find out what all happened March to August 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)

American Civil War: Battle of the Crater – Union forces attempt to break Confederate lines at Petersburg, Virginia by exploding a large bomb under their trenches. (30. July 1864)

American Civil War: The Red River Campaign begins as a US Navy fleet of 13 Ironclads and 7 Gunboats and other support ships enter the Red River. (12. March 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)

12 nations sign the First Geneva Convention. (22. August 1864)

American Civil War: Battle of Globe Tavern – Union forces try to cut a vital Confederate supply-line into Petersburg, Virginia, by attacking the Wilmington and Weldon Railroad. (18. August 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)

The Union Navy captures Fort Morgan, Alabama, thus breaking Confederate dominance of all ports on the Gulf of Mexico except Galveston, Texas. (23. August 1864)

The U.S. Congress passes the Coinage Act of 1864 that mandates that the inscription In God We Trust be placed on all coins minted as United States currency. (22. April 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: The Battle of Plymouth begins – Confederate forces attack Plymouth, North Carolina. (17. April 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)

Second War of Schleswig: The Danish navy defeats the Austrian and Prussian fleets in the Battle of Heligoland. (9. May 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 Jerusalem Plank Road begins. (21. June 1864)

American Civil War: the Battle of Spotsylvania Court House ends. (19. 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 Mobile Bay begins – at Mobile Bay near Mobile, Alabama, Admiral David Farragut leads a Union flotilla through Confederate defenses and seals one of the last major Southern ports. (5. August 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: The Battle of Marks' Mills. (25. April 1864)