WHAT ALL HAPPENED APRIL TO OCTOBER 1864
Find out what all happened April to October 1864

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

Emperor Maximilian I of Mexico arrives in Mexico for the first time. (29. May 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: Battle of Ezra Church – Confederate troops make a third unsuccessful attempt to drive Union forces from Atlanta, Georgia. (28. July 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 Resaca – the battle begins with Union General Sherman fighting toward Atlanta, Georgia. (13. May 1864)

U.S. President Abraham Lincoln grants Yosemite Valley to California for "public use, resort and recreation". (30. June 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 Plymouth begins – Confederate forces attack Plymouth, North Carolina. (17. April 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)

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)

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

New Zealand Land Wars: The Tauranga Campaign ends. (21. 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)

American Civil War – Bahia Incident: USS Wachusett illegally captures the CSS Florida Confederate raider while in port in Bahia, Brazil in violation of Brazilian neutrality. (7. October 1864)

Battle of Dybbøl: A Prussian-Austrian army defeats Denmark and gains control of Schleswig. Denmark surrenders the province in the following peace settlement. (18. April 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: The Battle of Chaffin's Farm is fought. (29. September 1864)

St. Albans Raid – Confederate raiders launch an attack on Saint Albans, Vermont from Canada. (19. October 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)