* Kate Austin ( 1864 – 1902 ), American writer, feminist and anarchist

* 1864 – William Bate Hardy, British biochemist ( d. 1934 )

* 1864 – American Civil War: The Fort Pillow massacre: Confederate forces kill most of the African American soldiers that surrendered at Fort Pillow, Tennessee.

* 1864 – Jean, duc Decazes, French aristocrat and sportsman ( d. 1912 )

* 1864 – Juhan Liiv, Estonian poet ( d. 1913 )

* 1864 – 12 nations sign the First Geneva Convention.

* 1864 – Hermann Weingärtner, German gymnast ( d. 1919 )

* 1916 – Roger Casement, Irish rebel ( b. 1864 )

* 1925 – William Bruce, Australian cricketer ( b. 1864 )

* Sebastian Osterrieder ( 1864 – 1932 ): sculptor

* 1864 – Theta Xi fraternity is founded at Rensselaer Polytechnic Institute, the only fraternity to be founded during the American Civil War.

* 1864 – American Civil War: Battle of Gainesville – Confederate forces defeat Union troops near Gainesville, Florida.

* 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.

His sister was Lucy Aikin ( 1781 – 1864 ), a historical writer.

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

* 1864 – Eleftherios Venizelos, Greek politician, Prime Minister of Greece ( d. 1936 )

* 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.

* 1864 – Battle of Dybbøl: A Prussian-Austrian army defeats Denmark and gains control of Schleswig.

* 1864 – Richard Harding Davis, American author ( d. 1916 )

* 1864 – Charles Lot Church, Canadian politician ( b. 1777 )

* 1864 – American Civil War: The Battle of Plymouth begins – Confederate forces attack Plymouth, North Carolina.

During his raid on Washington, D. C. in 1864, Lincoln was watching the combat from an exposed position ; Captain Oliver Wendell Holmes shouted at him, " Get down, you damn fool, before you get shot!

During the U. S. Presidential Election of 1864, Douglass supported John C. Frémont.

During the 1864 Overland Campaign, Union Maj. Gen. Philip Sheridan's cavalry launched an offensive to defeat Stuart, who was mortally wounded at the Battle of Yellow Tavern.

During the 19th century, after Schleswig-Holstein had come under the government of Prussia ( from 1871 the German Empire ) following the Second Schleswig War in 1864, a combination of naval interests — the German navy wanted to link its bases in the Baltic and the North Sea without the need to sail around Denmark — and commercial pressure encouraged the development of a new canal.

During 1864, he became the curate at Horbury Bridge, West Riding of Yorkshire.

During the summer of 1864, Tadema met Ernest Gambart, the most influential print publisher and art dealer of the period.

During the American Civil War, U. S. Army General Philip Sheridan's stripping of the Shenandoah Valley, beginning on September 21, 1864 and continuing for two weeks, was considered " total war ".

During a spell as organist at Covent Garden, he composed his first ballet, L ' Île Enchantée ( 1864 ), and had his first experience of opera, which was directed there by Michael Costa.

During the British occupation, in 1814, the leprosarium was once again opened after renovations, and following Enosis in 1864 the leprosarium again saw occasional use.

During the January Uprising, several skirmishes took place in the area of Częstochowa, with the last one taking place on July 4, 1864 near Chorzenice.

During the American Civil War, Union General Ulysses S. Grant used City Point as his headquarters during the Siege of Petersburg in 1864 and 1865.

During 1863 – 1864 it was a real shadow government supported by majority of Poles, who even paid taxes for it, and was a significant problem for Russian secret police ( Okhrana ).

During the war he lived partly in New Orleans and partly abroad, spending time in Havana ( 1862, 1864 ) and Paris ( 1863, 1867 ).

During the Civil War the Battle of New Market took place May 15, 1864.

During the Civil War, the Battle of the Wilderness took place in the County in May 1864.

During the Civil War, John S. Mosby, " the Gray Ghost " of the Confederacy, raided General Sheridan's supply train in the summer of 1864, in Berryville.

During the Civil War, Jackson County was the scene of several engagements, the most notable of which was the Battle of Westport, sometimes referred to as " the Gettysburg of Missouri ," in 1864.

During the war, Southern Home Guard units sometimes lynched white Southerners whom they suspected of being Unionists or deserters ; one example of this was the hanging of Methodist minister Bill Sketoe in the south Alabama town of Newton in December 1864.

During the Battle of Meridian in 1864, General William Tecumseh Sherman led troops into the city, destroying the railroads in every direction, an arsenal, immense storehouses, and burning much of the area to the ground, Sherman is reported to have said afterwards, " Meridian, with its depots, store-houses, arsenal, hospitals, offices, hotels, and cantonments no longer exists.

During 1864, he led the storied Woolsey Expeditions to the east in retaliatory raids on Apache and in search of gold ; all failed to find a new Eldorado.

During the American Civil War, Camden was occupied for several months in 1864 by Union soldiers as part of the Union army's ill-fated Red River Campaign.

During the flood of 1864, the army camp was covered with water, and the soldiers had to suddenly flee to higher ground.

During the American Civil War, it was named Lovejoy's Station, and was the site of the Battle of Lovejoy's Station during the Atlanta Campaign of 1864.

During the American Civil War of 1864 by following Atlanta campaign, both Confederate and Union troops came to Cave Spring for hospitalization and rest from fighting on the battlefields before Atlanta.