* USS Little Ada ( 1864 ), steamer captured by the Union Navy during the American Civil War

Due to his western successes, Ulysses S. Grant was given command of all Union armies in 1864, and organized the armies of William Tecumseh Sherman, George Meade and others to attack the Confederacy from all directions, increasing the North's advantage in manpower.

* 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.

Johnson was nominated as the vice presidential candidate in 1864 on the National Union Party ticket.

National Union Party presidential ticket, 1864.

In January 1864 Johnson organized a gathering of his state's Union loyalists, where resolutions were passed to elect county officials throughout the state, including a plan for a convention to dispose of the slavery issue ; also adopted was a very controversial and mandatory oath for voters, to protect and preserve the Union in the future.

As a leading War Democrat and pro-Union southerner, Johnson was an ideal candidate for the Republicans in the national election of 1864, as they sought to enlarge their base to include War Democrats ; they even changed the party name to the National Union Party to reflect this expansion.

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

* 1864 – During the American Civil War, Union forces led by General William T. Sherman launch an assault on Atlanta, Georgia.

* 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.

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

There was talk of a Maritime Union of the three provinces to have greater political power ; however, the first discussions on the subject in 1864 at the Charlottetown Conference led to the process of Canadian Confederation which formed the larger Dominion of Canada instead. Peggys Cove, Nova Scotia, an archetypal Maritime scene

This combination of events, coupled with an ongoing decline in British military and economic support to the region as the Home Office favoured newer colonial endeavours in Africa and elsewhere, led to a call among Maritime politicians for a conference on Maritime Union, to be held in early September 1864 in Charlottetown-chosen in part because of Prince Edward Island's reluctance to give up its jurisdictional sovereignty in favour of uniting with New Brunswick and Nova Scotia into a single colony.

* 1864 – In the Battle of Nashville, Union forces under George H. Thomas almost completely destroy the Army of Tennessee under John B.

* 1864 – American Civil War: Franklin-Nashville Campaign – Battle of Nashville – Major General George H. Thomas's Union forces defeat Lieutenant General John Bell Hood's Confederate Army of Tennessee.

* 1864 – American Civil War: Sherman's March to the Sea – Major General William Tecumseh Sherman's Union Army troops reach the outer Confederate defenses of Savannah, Georgia.

* 1864 – American Civil War: Kilpatrick-Dahlgren Raid fails – plans to free 15, 000 Union soldiers being held near Richmond, Virginia are thwarted.

:* Battle of Utoy Creek, August 5 – 7, 1864, Sherman's failed attempt to break the railroad line into Atlanta from the east, heavy Union losses.

* 1864 – American Civil War: Battle of Peachtree Creek – Near Atlanta, Georgia, Confederate forces led by General John Bell Hood unsuccessfully attack Union troops under General William T. Sherman.

* 1864 – American Civil War, Overland Campaign: Battle of Cold Harbor – Ulysses S. Grant gives the Confederate forces under Robert E. Lee a victory when he pulls his Union troops from their positions at Cold Harbor, Virginia and moves south.

* 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.

* 1864 – American Civil War: Battle of Cold Harbor – Union forces attack Confederate troops in Hanover County, Virginia.

* 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.

He was appointed to the United States Naval Academy on 30 July 1864.

She participated in the Crimean War, and after her return to France later housed the French Naval Academy under the name Borda from 1864 to 1890.

* Robert Montgomery ( Medal of Honor ) ( 1838 – after 1864 ), American Naval Captain and Medal of Honor recipient

In July 1864, an order-in-council provided that the White Ensign was the ensign of the Royal Naval Service.

* Royal School of Naval Architecture, from 1864 to 1873.

This changed in 1864, when an order in council provided that the Red Ensign was allocated to merchantmen, the Blue Ensign was to be the flag of ships in public service or commanded by an officer in the Royal Naval Reserve, and the White Ensign was allocated to the Navy.

* 9 May 1864: Naval Battle of Helgoland.

It took root at no fewer than fourteen colleges in those latter days: Omega was founded at University of Chicago in 1864 ; Pi at Rensselaer Polytechnic Institute in 1865 ; Lambda, Bowdoin College, 1867 ; Beta, University of Virginia, 1868 ; Psi, Cornell University, 1868 ; Iota, UC Berkeley, 1870 ; Gamma, first at the US Naval Academy in 1874, and then at Syracuse College in 1875 after the government proscribed Fraternities at its military academies ; Theta Xi, University of Toronto, 1879 ; Alpha, Columbia University, 1879 ; Alpha Psi, McGill University, 1883 ; Nu, Case Western Reserve, 1884 ; Eta, Yale, 1889 ; Mu, Stanford, 1892 ; Alpha Beta, University of Minnesota, 1899 ( The establishment of the Eta chapter at Yale made Zeta Psi the only fraternity to establish chapters at all eight Ivy-League schools ).

Robert Edward Coontz ( June 11, 1864 – January 26, 1935 ) was an admiral in the United States Navy, who sailed with the Great White Fleet and served as the second Chief of Naval Operations.

He commanded the Naval Station at New Orleans and the West Gulf Squadron during 1864.

He was promoted to Chief Naval Constructor in January 1864 and served in that capacity to the end of the U. S. Civil War, designing many of the South's domestically-built warships.

The British Naval Brigade and Royal Marines storm the stockade at Shimonoseki in September 1864.

26, Naval Forces on Western Waters ( March 1, 1864-December 31, 1864 ).

* Secretary of the Navy, Sinking of the Alabama — Destruction of the Alabama by the Kearsarge, annual report in the library of the Naval Historical Center, 1864, Washington, D. C., Navy Yard.

The Construction Corps was created in 1866 to be staffed by constructors graduated from the United States Naval Academy cadet-engineer curriculum implemented in 1864.

He entered the United States Naval Academy on 25 July 1864 and graduated in 1868.

In 1864 Congress passed a bill to revive the rank of Lieutenant General.

The county was named after the old Fort Ellsworth, which was named in honor of 2nd Lieutenant Allen Ellsworth of the 7th Iowa Cavalry ( Company H ), who supervised construction of the fort in 1864.

In 1870, the county was renamed for Matthew Cowley, First Lieutenant in Company I, 9th Kansas Cavalry, who died at Little Rock, Arkansas, on October 7, 1864.

Lieutenant Colonel Alfred Reed of the 12th Indiana Calvary seized the town on May 29, 1864 during the American Civil War.

Lieutenant General Sir Frederick Stanley Maude KCB, CMG, DSO ( 24 June 1864 – 18 November 1917 ) was a British commander, most famous for his efforts in Mesopotamia during World War I and for conquering Baghdad in 1917.

On May 16, 1864, a force under Lieutenant George S. Eayre crossed into Kansas and encountered Cheyenne in their summer buffalo-hunting camp at Big Bushes near the Smoky Hill River.

In the spring of 1864, Lieutenant General Ulysses S. Grant set in motion a grand strategy designed to press the Confederacy into submission.

He served as Governor from July 10, 1863 to January 11, 1864 after serving as the third Lieutenant Governor of Minnesota when Governor Alexander Ramsey resigned to enter the United States Congress.

In 1864 he was made Dean of Cork and in 1866, as Dean of the Chapel Royal, Dublin, chaplain to the Lord Lieutenant.

In 1864 Kimberley became Under-Secretary of State for India, but towards the end of the year was made Lord Lieutenant of Ireland.

Lieutenant General Sir Joseph John Talbot Hobbs KCB, KCMG, VD ( 24 August 1864 – 21 April 1938 ) was an Australian architect and First World War general.

His eldest son, the third Earl, sat as a Conservative Member of Parliament for Glamorganshire from 1836 to 1850 and also served as Lord Lieutenant of County Limerick from 1864 to 1871.

He sat as a Liberal Member of Parliament for Armagh from 1847 to 1867 and also served as Lord Lieutenant of County Armagh from 1849 to 1864 and of County Tyrone between 1864 and 1892.

Carlisle served under Lord Melbourne as Chief Secretary for Ireland between 1835 and 1841, under Lord John Russell as First Commissioner of Woods and Forests from 1846 to 1850 and as Chancellor of the Duchy of Lancaster from 1850 to 1852 and under Lord Palmerston as Lord Lieutenant of Ireland from 1855 to 1858 and again from 1859 to 1864.

* 3 July 1864: A Danish force commanded by Lieutenant Colonel Charles Beck attacks a Prussian force at Lundby south of Ålborg in the north of Jutland.

Strutt also held the honorary posts of High Sheriff of Nottinghamshire in 1850 and Lord Lieutenant of Nottinghamshire between 1864 and 1880, having been previously a Deputy Lieutenant.

First Lieutenant Frank D. Baldwin, Company D, 19th Michigan Infantry, was awarded the Congressional Medal of Honor for gallantry at the Battle of Peachtree Creek, Georgia, July 12, 1864.

Pugh ran for the Lieutenant Governorship in 1863 and the United States House of Representatives in 1864, losing both times.

Apart from his political career he also held the honorary posts of Lord Lieutenant of Nottinghamshire from 1857 to 1864 and Lord Warden of the Stannaries from 1862 to 1864.

* 1 October – James Whiteside McCay, Lieutenant General in the Australian Army, member of the Victorian and Australian Parliaments ( born 1864 )