Though the status quo was restored, the conflict lingered on and on 1 February 1864 the German Confederation, i. e. Prussian and Austrian troops crossed the Eider sparking off the Second Schleswig War, after which Denmark had to cede Schleswig and Holstein according to the Treaty of Vienna.

From 1773 all of Holstein was united in personal union with Denmark and remained so until 1864, when, following the Second Schleswig War, the Duchies of Holstein and of Schleswig became an occupied territory of the German Confederation.

From 1815 to 1864 it was a member of the German Confederation, though still in personal union with Denmark ( the King of Denmark being also Duke of Holstein ).

As of 1864, Holstein bordered Denmark in the north, the Principality of Lübeck ( formerly the Prince-Bishopric of Lübeck, an exclave of the Grand Duchy of Oldenburg ), the Free and Hanseatic City of Lübeck, and the Duchy of Saxe-Lauenburg in the east, and the Kingdom of Hanover and the Free and Hanseatic City of Hamburg in the south.

* A fourth scenario, that Schleswig and Holstein should both be incorporated into Prussia as a mere province, was hardly considered before or during the war of 1864.

After 1814, when the double monarchy of Denmark – Norway was abolished, very few Norwegian plants were included, and similar changes were seen after 1864, when the duchies of Schleswig and Holstein were ceded.

* Dukes of Holstein ( 1773 – 1864, ruling the entire Duchy )

* 1864 Prussia and Austria engaged in a border war with Denmark, over the autonomy of the duchies of Holstein and Schleswig ( Second War of Schleswig ).

The wars between Denmark and the Kingdom of Prussia, such as the First Schleswig War ( 1848 – 1851 ) and the Second War of Schleswig ( February 1864 – October 1864 ) followed by the Gastein Convention ( 1864 ), led to Denmark's cession of the Duchies of Schleswig, Holstein and Lauenburg to Prussian and Austrian administration, respectively.

Revanchist sentiments earlier in the 19th-century, for example, may have galvanized nationalist emotions leading to two wars between the Kingdom of Prussia and Denmark over Schleswig and Holstein, the First war of Schleswig 1848-1851 and the Second war of Schleswig in 1864.

The war ended on 30 October 1864, when the Treaty of Vienna caused Denmark's cession of the Duchies of Schleswig, Holstein, and Saxe-Lauenburg to Prussia and Austria.

On 17 March 1864, the Prussian army drove back the Danish outposts in front of Dybbøl ; in the same day, in the naval Battle of Jasmund-also known as the Battle of Rügen-a Prussian naval force attempted to break the Danish naval blockade of Schleswig and Holstein, but was pushed back to Swinemünde.

* 30 June 1864: The Prince's Life Regiment was the last unit of the Danish army to leave Schleswig and Holstein.

In the Treaty of Vienna, 30 October 1864, Denmark ceded Schleswig, Holstein and Lauenburg to Prussia and Austria.

From 1848 to 1864, Denmark and the German Confederation fought over control of the two duchies of Schleswig and Holstein.

The Second Schleswig War resulted in victory for the combined armies of Prussia and Austria, and the two countries won control of Schleswig and Holstein in the concluding peace of Vienna, signed on 30 October 1864.

His surveys for railway construction in Holstein were put to a stop by the war with Prussia and Austria in 1864.

However, the Duchy of Holstein was only in personal union with Denmark, with the King of Denmark being Duke of Holstein, and as a result of the Second War of Schleswig, Holstein was ceded to the German Confederation in 1864.

Passage of the proposed amendment became part of the Republican / Unionist platform in the election of 1864.

In 1864 William Wallace Mitchell ( 1803 – 1884 ), a Glasgow Cotton Merchant, published his " Manual of Bowls Playing " following his work as the secretary formed in 1849 by Scottish bowling clubs which became the basis of the rules of the modern game.

When Nevada became a state in 1864 during the Civil War, Carson City was confirmed as Nevada's permanent capital.

The city became the supply and logistics base for Sherman's 1864 Atlanta Campaign.

In 1864 Marx became involved in the International Workingmen's Association ( also known as First International )., to whose General Council he was elected at its inception in 1864.

Nevada became the 36th state on October 31, 1864.

These reforms included guarantees to ensure the Ottoman subjects perfect security for their lives, honour, and property ; the introduction of the first Ottoman paper banknotes ( 1840 ) and opening of the first post offices ( 1840 ); the reorganization of the finance system according to the French model ( 1840 ); the reorganization of the Civil and Criminal Code according to the French model ( 1840 ); the establishment of the Meclis-i Maarif-i Umumiye ( 1841 ) which was the prototype of the First Ottoman Parliament ( 1876 ); the reorganization of the army and a regular method of recruiting, levying the army, and fixing the duration of military service ( 1843 – 44 ); the adoption of an Ottoman national anthem and Ottoman national flag ( 1844 ); the first nationwide Ottoman census in 1844 ( only male citizens were counted ); the first national identity cards ( officially named the Mecidiye identity papers, or informally kafa kağıdı ( head paper ) documents, 1844 ); the institution of a Council of Public Instruction ( 1845 ) and the Ministry of Education ( Mekatib-i Umumiye Nezareti, 1847, which later became the Maarif Nezareti, 1857 ); the abolition of slavery and slave trade ( 1847 ); the establishment of the first modern universities ( darülfünun, 1848 ), academies ( 1848 ) and teacher schools ( darülmuallimin, 1848 ); establishment of the Ministry of Healthcare ( Tıbbiye Nezareti, 1850 ); the Commerce and Trade Code ( 1850 ); establishment of the Academy of Sciences ( Encümen-i Daniş, 1851 ); establishment of the Şirket-i Hayriye which operated the first steam-powered commuter ferries ( 1851 ); the first European style courts ( Meclis-i Ahkam-ı Adliye, 1853 ) and supreme judiciary council ( Meclis-i Ali-yi Tanzimat, 1853 ); establishment of the modern Municipality of Istanbul ( Şehremaneti, 1854 ) and the City Planning Council ( İntizam-ı Şehir Komisyonu, 1855 ); the abolition of the capitation ( Jizya ) tax on non-Muslims, with a regular method of establishing and collecting taxes ( 1856 ); non-Muslims were allowed to become soldiers ( 1856 ); various provisions for the better administration of the public service and advancement of commerce ; the establishment of the first telegraph networks ( 1847 – 1855 ) and railroads ( 1856 ); the replacement of guilds with factories ; the establishment of the Ottoman Central Bank ( originally established as the Bank-ı Osmanî in 1856, and later reorganized as the Bank-ı Osmanî-i Şahane in 1863 ) and the Ottoman Stock Exchange ( Dersaadet Tahvilat Borsası, established in 1866 ); the Land Code ( Arazi Kanunnamesi, 1857 ); permission for private sector publishers and printing firms with the Serbesti-i Kürşad Nizamnamesi ( 1857 ); establishment of the School of Economical and Political Sciences ( Mekteb-i Mülkiye, 1859 ); the Press and Journalism Regulation Code ( Matbuat Nizamnamesi, 1864 ); among others.

The island has a few other names: " Garden of the Gulf " referring to the pastoral scenery and lush agricultural lands throughout the province ; and " Birthplace of Confederation ", referring to the Charlottetown Conference in 1864, although PEI did not join the confederation until 1873, when it became the seventh Canadian province.

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

Verne probably got the idea directly and immediately from Maxwell's 1864 theory ( although it cannot be ruled out that Maxwell or an intermediary recognized the sailing potential and became the source for Verne ).

A study of 65 predominantly Yankee counties showed that they voted only 40 % for the Whigs in 1848 and 1852, but became 61 – 65 % Republican in presidential elections of 1856 through 1864.

Medill served as its managing editor until 1864, when Horace White became editor-in-chief.

She decided to leave France, and soon ended up in Belgium, where she became the mistress of Henri, Prince de Ligne, and gave birth to their son, Maurice, in 1864.

After the German conquest in 1864, the term Sønderjylland became increasingly dominant among the Danish population, even though most Danes still had no objection to the use of " Schleswig " as such ( it is etymologically of Danish origin ) and many of them still used it, themselves, in its Danish version " Slesvig ".

Wilhelm, Duke of Urach ( 1864 – 1928 ), had the distinction of being under consideration for five thrones at different times: that of King of Wurttemberg in the 1890s, as the senior agnate by primogeniture when it became likely that King William II would die without male descendants, leaving as heir Duke Albrecht of Wurttemberg, a more distantly related, albeit dynastic, royal kinsman ; Prince of Albania in 1913 ; Prince of Monaco as the next heir by proximity of blood following the Hereditary Prince Louis during a succession crisis resolved in July 1918 ; Grand Duke of Alsace-Lorraine in 1917, and his election by the Taryba as King of Lithuania in July 1918.

In November 1864, a small village of Cheyenne and Arapaho became victims of the Sand Creek massacre, an attack by the Colorado militia, led by Colonel John Chivington.

Upon Lincoln's assassination in April 1865, Andrew Johnson of Tennessee, who had been elected with Lincoln in 1864 as the latter's vice president, became president.

Rutgers College became the land-grant college of New Jersey in 1864 under the Morrill Act of 1862, resulting in the establishment of the Rutgers Scientific School, featuring departments of agriculture, engineering, and chemistry.

It became the first bolt-action weapon to see combat in 1864.

Missoula County became a part of Montana Territory when the territory was organized out of the existing Idaho Territory by Act of Congress and signed into law by President Abraham Lincoln on May 26, 1864.

On November 29, 1864, more than a decade before Colorado became a state and long before Kiowa County was formed, a massacre of Native Americans, a group of old men, women, and children, occurred on Sand Creek that initially was greeted as a victory in the Colorado War against hostile Indians ; within months, Congressional inquiries revealed the truth, and a national scandal erupted.

After he was relieved of command, McClellan became the unsuccessful Democratic Party nominee opposing Lincoln in the 1864 presidential election.

Ranong was subordinate to Chumphon province, but in 1864 was elevated to full provincial status.

He was " kicked upstairs " to be chief of staff of the Army when Lt. Gen. Ulysses S. Grant, Halleck's former subordinate in the West, whose battlefield victories did much to advance Halleck's career, replaced him in 1864 as general-in-chief for the remainder of the war.

On March 12, 1864, after Ulysses S. Grant, Halleck's former subordinate in the West, was promoted to lieutenant general and general in chief, Halleck was relegated to chief of staff, responsible for the administration of the vast U. S. armies.

He was the director of the Marseille Observatory from 1864 to 1907 ( until 1872 he was subordinate to Urbain le Verrier ).

Although founded with peaceful motives ( its name means Good and Peaceful ), Pai Mārire became better known for an extremist form of the religion popularly known as Hauhau, though there is evidence the most violent activities, committed in 1864 and 1865, were led by subordinate prophets acting against the wishes of Te Ua and the basic precepts of the religion.

Since 1864, for each judeţ there exists a prefect ( from the Latin praefectus ), a subordinate of the Ministry of Internal Affairs, who is the representative of the government in the county, and the head of the local administration in the areas not delegated to local authorities.