The United Baltic Duchy (; ; ), or alternatively the Grand Duchy of Livonia, was the name of a short-lived state during

World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...

that was proclaimed by leaders of the local Baltic German

nobility Nobility is a social class found in many societies that have an aristocracy. It is normally appointed by and ranked immediately below royalty. Nobility has often been an estate of the realm with many exclusive functions and characteristics. T ...

. The attempt to establish a new

client state A client state in the context of international relations is a State (polity), state that is economically, politically, and militarily subordinated to a more powerful controlling state. Alternative terms for a ''client state'' are satellite state, ...

of the

German Empire The German Empire (),; ; World Book, Inc. ''The World Book dictionary, Volume 1''. World Book, Inc., 2003. p. 572. States that Deutsches Reich translates as "German Realm" and was a former official name of Germany. also referred to as Imperia ...

on the territory of what is now

Latvia Latvia, officially the Republic of Latvia, is a country in the Baltic region of Northern Europe. It is one of the three Baltic states, along with Estonia to the north and Lithuania to the south. It borders Russia to the east and Belarus to t ...

and

Estonia Estonia, officially the Republic of Estonia, is a country in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the Baltic Sea across from Sweden, to the south by Latvia, and to the east by Ru ...

was made in 1918, during the German occupation of the former

Courland Courland is one of the Historical Latvian Lands in western Latvia. Courland's largest city is Liepāja, which is the third largest city in Latvia. The regions of Semigallia and Selonia are sometimes considered as part of Courland as they were ...

, Livonian and Estonian governorates of the

Russian Empire The Russian Empire was an empire that spanned most of northern Eurasia from its establishment in November 1721 until the proclamation of the Russian Republic in September 1917. At its height in the late 19th century, it covered about , roughl ...

; which had ceased to exist after the Bolshevik coup in 1917. The unsuccessful proclamation of a pro-German duchy was first made in April 1918, after the

Republic of Estonia Estonia, officially the Republic of Estonia, is a country in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the Baltic Sea across from Sweden, to the south by Latvia, and to the east by Ru ...

had already formally declared full independence. The proposed ideas for the new state included the creation of a

Duchy of Courland and Semigallia The Duchy of Courland and Semigallia was a duchy in the Baltic states, Baltic region, then known as Livonia, that existed from 1561 to 1569 as a nominal vassal state of the Grand Duchy of Lithuania and subsequently made part of the Crown of th ...

and of a Duchy of Estonia and Livonia, which would be in

personal union A personal union is a combination of two or more monarchical states that have the same monarch while their boundaries, laws, and interests remain distinct. A real union, by contrast, involves the constituent states being to some extent in ...

with the

Kingdom of Prussia The Kingdom of Prussia (, ) was a German state that existed from 1701 to 1918.Marriott, J. A. R., and Charles Grant Robertson. ''The Evolution of Prussia, the Making of an Empire''. Rev. ed. Oxford: Clarendon Press, 1946. It played a signif ...

Background

During

, the

Imperial German Army The Imperial German Army (1871–1919), officially referred to as the German Army (), was the unified ground and air force of the German Empire. It was established in 1871 with the political unification of Germany under the leadership of Kingdom o ...

had occupied the Courland Governorate of the

by the autumn of 1915. The front stabilised along the

Riga Riga ( ) is the capital, Primate city, primate, and List of cities and towns in Latvia, largest city of Latvia. Home to 591,882 inhabitants (as of 2025), the city accounts for a third of Latvia's total population. The population of Riga Planni ...

–

Daugavpils Daugavpils (see also other names) is a state city in southeastern Latvia, located on the banks of the Daugava River, from which the city derives its name. The parts of the city to the north of the river belong to the historical Latvian region ...

– Baranovichi Line. After the

February Revolution The February Revolution (), known in Soviet historiography as the February Bourgeois Democratic Revolution and sometimes as the March Revolution or February Coup was the first of Russian Revolution, two revolutions which took place in Russia ...

of 1917 in Russia, the

Russian Provisional Government The Russian Provisional Government was a provisional government of the Russian Empire and Russian Republic, announced two days before and established immediately after the abdication of Nicholas II on 2 March, O.S. New_Style.html" ;"title="5 ...

declared the establishment of the Autonomous Governorate of Estonia on , which amalgamated the former Russian

Governorate of Estonia The Governorate of Estonia, also known as the Esthonia (Estland) Governorate, was a province (''guberniya'') and one of the Baltic governorates of the Russian Empire. It was located in the northern Estonia with some islands in the West Estoni ...

and the northern portion of the

Governorate of Livonia The Governorate of Livonia, also known as the Livonia Governorate, was a province (''guberniya'') and one of the Baltic governorates of the Russian Empire, Baltic Governorate-General until 1876. Governorate of Livonia bordered Governorate of E ...

. After the

October Revolution The October Revolution, also known as the Great October Socialist Revolution (in Historiography in the Soviet Union, Soviet historiography), October coup, Bolshevik coup, or Bolshevik revolution, was the second of Russian Revolution, two r ...

later that year, the elected Estonian Provincial Assembly declared itself the sovereign power in Estonia on 28 November 1917. On 24 February 1918, a day before the arrival of German troops, the Estonian Salvation Committee of the Provincial Assembly issued the

Estonian Declaration of Independence The Estonian Declaration of Independence, formally titled the Manifesto to the Peoples of Estonia (), is the founding document which established the independent democratic Estonia, Republic of Estonia in 1918. Issued during a period of intense p ...

. The Western Allies recognised the

''de facto'' in May 1918. The term 'Grand Duchy of

Livonia Livonia, known in earlier records as Livland, is a historical region on the eastern shores of the Baltic Sea. It is named after the Livonians, who lived on the shores of present-day Latvia. By the end of the 13th century, the name was extende ...

' refers to the Livonia region, which made up most of the proposed United Baltic Duchy. The Latvian Provisional National Council was constituted on the basis of the law of

self-government Self-governance, self-government, self-sovereignty or self-rule is the ability of a person or group to exercise all necessary functions of regulation without intervention from an external authority. It may refer to personal conduct or to any ...

, which the Russian Provisional Government granted to Latvia on 5 July 1917. The Latvian Provisional National Council first met on 16 November 1917 in Valka. On 30 November, the Council declared an autonomous Latvian province within ethnographic boundaries, and a formally independent Latvian republic was declared on 15 January 1918. In early 1918, German troops started advancing from Courland, and by the end of February 1918, the German military administered the territories of Estonia that had declared independence and the Russian

. In the

Treaty of Brest-Litovsk The Treaty of Brest-Litovsk was a separate peace treaty signed on 3 March 1918 between Soviet Russia and the Central Powers (Germany, Austria-Hungary, the Ottoman Empire, and Bulgaria), by which Russia withdrew from World War I. The treaty, whi ...

on 3 March 1918, Soviet Russia accepted the loss of the Courland Governorate and, in agreements concluded in

Berlin Berlin ( ; ) is the Capital of Germany, capital and largest city of Germany, by both area and List of cities in Germany by population, population. With 3.7 million inhabitants, it has the List of cities in the European Union by population withi ...

on 27 August 1918, the loss of the Autonomous Governorate of Estonia and the Governorate of Livonia.

Attempt at creation

As a parallel political movement under the German military administration,

Baltic Germans Baltic Germans ( or , later ) are ethnic German inhabitants of the eastern shores of the Baltic Sea, in what today are Estonia and Latvia. Since their resettlement in 1945 after the end of World War II, Baltic Germans have drastically decli ...

began forming provincial councils between September 1917 and March 1918. On 8 March 1918, the local Baltic German-dominated declared the restoration of Duchy of Courland (), which was formally recognised by Kaiser Wilhelm on 15 March 1918. On 12 April 1918, a Provincial Assembly (), composed of 35 Baltic Germans, 13 Estonians, and 11 Latvians, passed a resolution calling upon the German Emperor to recognise the Baltic provinces as a monarchy and to make them a German protectorate. The United Baltic Duchy was nominally recognised as a sovereign state by Wilhelm II only on 22 September 1918, half a year after Soviet Russia had formally relinquished all authority over former Russian Imperial Baltic governorates to Germany in the

. On 5 November 1918, a temporary Regency Council () for the new state, led by Baron Adolf Pilar von Pilchau, was formed on a joint basis from both local Land Councils. The new state was to have its capital in

and was to be a confederation of seven cantons: (

), Riga, (

Latgale Latgale (; ; ; ; ; ; Belarusian Latin alphabet, Belarusian Latin: ''Łathalija''; ), also known as Latgalia or Latgallia, is one of the Historical Latvian Lands. It is the easternmost region of the country and lies north of the Daugava River. Wh ...

), (South

), (North Livonia), (

Saaremaa Saaremaa (; ) is the largest and most populous island in Estonia. Measuring , its population is 31,435 (as of January 2020). The main island of the West Estonian archipelago (Moonsund archipelago), it is located in the Baltic Sea, south of Hi ...

) and (Estonia), the first four cantons correspondings to today's Latvia and the last three corresponding to today's Estonia. The first head of state of the United Baltic Duchy was to be Duke Adolf Friedrich of Mecklenburg, not as a sovereign monarch, but as a subordinate to the German , similar to other

princes A prince is a Monarch, male ruler (ranked below a king, grand prince, and grand duke) or a male member of a monarch's or former monarch's family. ''Prince'' is also a title of nobility (often highest), often hereditary title, hereditary, in some ...

or kings of the German Empire. However, Adolf Friedrich never assumed office. The appointed Regency Council, consisting of four Baltic Germans, three Estonians and three Latvians, functioned until 28 November 1918 without any international recognition except from Germany. In October 1918, the

Chancellor of Germany The chancellor of Germany, officially the federal chancellor of the Federal Republic of Germany, is the head of the federal Cabinet of Germany, government of Germany. The chancellor is the chief executive of the Federal Government of Germany, ...

Prince Maximilian of Baden Maximilian, Margrave of Baden (''Maximilian Alexander Friedrich Wilhelm''; 10 July 1867 – 6 November 1929),Almanach de Gotha. ''Haus Baden (Maison de Bade)''. Justus Perthes (publishing company), Justus Perthes, Gotha, 1944, p. 18, (French). al ...

, proposed to have the military administration in the Baltic replaced by civilian authority. The new policy was stated in a telegram from the German Foreign Office to the military administration of the Baltic: "The government of the Reich is unanimous in respect of the fundamental change in our policy towards the

Baltic countries The Baltic states or the Baltic countries is a geopolitical term encompassing Estonia, Latvia, and Lithuania. All three countries are members of NATO, the European Union, the Eurozone, and the OECD. The three sovereign states on the eastern co ...

, namely that in the first instance policy is to be made with the Baltic peoples".

Independent Estonia and Latvia

On 18 November 1918, Latvia proclaimed its independence. August Winnig, the last representative of the German government, signed an agreement with representatives of the Estonian Provisional Government on handing over power in Estonian territory on 19 November.World War I
Estonica. Encyclopaedia about Estonia In Latvia, the Germans formally handed over authority to the Latvian national government, headed by

Kārlis Ulmanis Kārlis Augusts Vilhelms Ulmanis (; 4 September 1877 – 20 September 1942) was a Latvian politician and a dictator. He was one of the most prominent Latvian politicians of pre-World War II Latvia during the Interwar period of independence from N ...

on 7 December 1918. The was formed in 1919 largely by the leaders of the local Livonian and Curonian nobility, who had been the proponents of the United Baltic Duchy in 1918. Upon taking command of the , Major Alfred Fletcher, with the backing of the local nobility, began dismissing native Latvian elements and replacing them with Baltic Germans and troops. Concurrently, German officers assumed most of the command positions. In his book ''Vanguard of Nazism: The Free Corps Movement in Postwar Germany, 1918–1923'', the author Robert G. L. Waite notes: "By mid-February 1919, Latvians composed less than one-fifth of their own army". The

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...

backed down after it had recognised the gravity of the military situation, and the White Russian units and the moved on and captured

on 22 May 1919. After the capture of Riga, the were accused of killing 300 Latvians in Mitau ( Jelgava), 200 in Tuckum (

Tukums Tukums (; ; ) is a town in Latvia and serves as the administrative center of Tukums Municipality. It is located in the eastern part of the historical region of Courland, and with more than 16,000 inhabitants Tukums is the 13th largest settlem ...

), 125 in Dünamünde ( Daugavgrīva) and over 3,000 in Riga. In June 1919, after taking part in the capture of Riga, General von der Goltz ordered his troops to advance not east against the

Red Army The Workers' and Peasants' Red Army, often shortened to the Red Army, was the army and air force of the Russian Soviet Republic and, from 1922, the Soviet Union. The army was established in January 1918 by a decree of the Council of People ...

, as the Allies had been expecting, but north against the Estonians. On 19 June 1919, the Iron Division and units launched an attack to capture areas around Wenden (

Cēsis Cēsis (; (, , , ) is a town in Latvia located in the northern part of the Central Vidzeme Upland. Cēsis is on the Gauja River valley, and is built on a series of ridges above the river, overlooking the woods below. Cēsis was selected to b ...

), the continued its advance towards the Estonian coast preparatory for a push on

Petrograd Saint Petersburg, formerly known as Petrograd and later Leningrad, is the second-largest city in Russia after Moscow. It is situated on the River Neva, at the head of the Gulf of Finland on the Baltic Sea. The city had a population of 5,601, ...

. However, the was defeated by the 3rd Estonian Division, led by

Ernst Põdder Ernst-Johannes Põdder VR I/1 (10 February 1879 – 24 June 1932) was an Estonian military commander in the 1918–1920 Estonian War of Independence. In 1900, Põdder graduated from the Vilnius Military Academy. In the Russo-Japanese war he a ...

, and North Latvian Brigade at the Battle of Cēsis, 19–23 June 1919. On the morning of 23 June 1919, the Germans began a general retreat toward Riga. The Allies again insisted for the Germans to withdraw their remaining troops from Latvia, and intervened to impose a ceasefire between the Estonians and the when the Estonians were about to march into Riga. Meanwhile, an Allied mission composed of British troops, under General Sir Hubert de la Poer Gough, had arrived in the Baltic to clear the Germans from the region and to organise native armies for the Baltic states.

Aftermath

The defeat of Germany in World War I in November 1918, followed by the defeat in 1919 of the and German units of General Rüdiger von der Goltz in Latvia by the 3rd Estonian Division and the North Latvian Brigade, rendered any ideas for the creation of the United Baltic Duchy irrelevant. To ensure its return to Latvian control, the was placed under British authority. After taking command of the in mid-July 1919, Lieutenant Colonel Harold Alexander, the future Alexander of Tunis, gradually dismissed the Baltic German elements. The Baltic nations of Estonia and Latvia were established as republics.

References

External links