This article is about the specific polity Hungarian Democratic Republic and therefore only includes events related to its territory and not to its possessions or colonies. If you are interested in the possession, this is the link to the article about the nation which includes all possessions as well as all the different incarnations of the nation.
If you are looking for the page with the statistics about this polity you can find it here:All Statistics
A revolution in Hungary led by Count Mihály Károlyi in the aftermath of World War I led to the foundation of the short-lived Hungarian Democratic Republic.
Establishment
October 1918: A revolution in Hungary led by Count Mihály Károlyi, in the aftermath of World War I, led to the foundation of the short-lived First Hungarian People's Republic.
November 1918: The West Ukrainian People's Republic was proclaimed.
November 1918: Czechoslovakia wanted to include the territory of Slovakia (then Upper Hungary), which until now belonged to Hungary. On November 2, the 25th Battalion entered Slovakia.
November 1918: The Polish National Council and the Czechoslovak Committee concluded an agreement on the demarcation line of Cieszyn Silesia. The Frýdek district and a small part of the Fryštát district was left on the Czech side, the remainder was accorded to the Poles.
November 1918: Czechoslovak forces penetrated through Gbely to Malacek.
November 1918: On November 8, a temporary demarcation line between Hungary and Czechoslovakia was negotiated between Lieutenant Ripka and Hungarian Major Brandstätter, leading from Devínská Nová Ves to Malinský vrch and further to the Little Carpathians.
November 1918: Colonel Hančík with 120 men occupied Trnava.
November 1918: In Trnava, the Hungarians created an armed guard.
November 1918: On November 10 Romania declared war once again to the Central Powers.
November 1918: Czechoslovaks occupied Trenčín and then the main strongholds in Pováží.
November 1918: Czechoslovaks commanded by Captain Kurz occupied Žilina without a fight.
November 1918: The first Romanian troops enter Hungary and occupy the Gyergyótölgyes mountain pass accessing the Székely Land Region.
November 1918: The Czech units occupied Turany.
November 1918: The city of Turany was conquered by a Hungarian armored train.
November 1918: The Hungarians occupied Vrútky and forced the Czechoslovaks to retreat on the north bank of the Váh towards Žilina.
November 1918: The Hungarians were defeated and Trnava found itself in Czechoslovak hands again.
November 1918: The Czech war council designated a new temporary demarcation line with Hungary: Bratislava - north bank of the Danube - along Ipeľ - Pinciná - estuary of Uhu to Laborec - along Uhu - Užocký pas.
November 1918: The Romanian Army occupied Marosvásárhely (Târgu-Mureș).
November 1918: Piešťany and Hlohovec are occupied by Czech troops.
December 1918: The Union of Transylvania with Romania was officiated by the elected representatives of the Romanian people of Transylvania, who proclaimed a union with Romania.
December 1918: The Romanian Army enters Brașov, in southeastern Transylvania.
December 1918: Other Czech reinforcements arrived in Hlohovec, which by 10 December occupied the towns of Sereď, Modra and Pezinok.
December 1918: The Slovak People's Republic was a short-existing state which lasted from 11 December to 29 December 1918.
December 1918: Schöbl then sent the 1st Volunteer Regiment, commanded by Major Pirník, to secure the surroundings of Nitra.
December 1918: Romanian troops enter Nagyszeben (Sibiu) in southern Transylvania.
December 1918: Zbolen was occupied by Czechoslovak troops.
December 1918: Romanian troops enter Cluj (Kolozsvár).
Chronology
Interactive Chronologies with maps are available in the section Changes Navigation
Was a Civil War in Russia that involved varios factions but mainly the Bolsheviks and the conservative White Army in the core Russian territories, as well as a multitude of local secessionist states. At the end of war the Bolsheviks were victorious and established the Soviet Union.
1.1.Ukrainian-Soviet War
Was a conflict between Ukrainian nationalist forces and the Bolsheviks during the Russian Civil War. It also included a multitude of ethnical and local factions.
Was a global conflict between two coalitions, the Allies (primarily France, the United Kingdom, Russia, Italy, Japan, and the United States) and the Central Powers (led by Germany, Austria-Hungary, and the Ottoman Empire). It was mainly caused by the competition of the western countries over domain in Europe and in the rest of the world with their colonial empires. The war ended with the defeat of the Central Powers. The war also caused the Russian Revolution and the ensuing Russian Civil War.
2.1.World War I eastern Front
Was the theatre of war in eastern Europe during World War I.
2.1.1.Romania during World War I
Romanian theatre of World War I.
2.2.Aftermath of World War I
Were a series of treaties and military events that can be considered a direct consequence of World War I.
March 1919: Béla Kun proclaimed Hungary a Soviet Republic, and renounced the passive policy of accepting territorial losses dictated by the Entente.
2.2.1.Aftermath of World War I in Poland
Events that happened shortly after the end of World War I in Poland.
2.2.1.Aster Revolution
Was a revolution in Hungary led by Count Mihály Károlyi in the aftermath of World War I which led to the foundation of the short-lived First Hungarian People's Republic.
2.2.2.Hungarian-Czechoslovak War
Was a war between Hungary and Czechoslovakia after the dissolution of the Austro-Hungarian Empire at the end of World War I.
2.2.2.1.Czech invasion of northern Slovakia
Was a Czech military operation against Hungary in northern Slovakia.
2.2.2.2.Czech invasion of eastern Slovakia
Was a Czech military operation against Hungary in eastern Slovakia.
2.2.2.3.Czech invasion of southern Slovakia
Was a Czech military operation against Hungary in southern Slovakia.
January 1919: On the night of January 2-3, Czechoslovak forces occupied Lučenec.
January 1919: On January 9 without a fight, Nové Zámky, was occupied by Czech forces.
January 1919: Komárno conquered by Czechoslovak Republic.
January 1919: The Ipeľ basin was cleared from the Hungarians via Kováčová, Bušinka, Mikušovka to Pinciná. These territories were occupied by Czechoslovak troops.
January 1919: The southern bank of Ipeľ was occupied by Czechoslovak troops.
January 1919: The cities of Perečín, Velký Berezný, Užok, Veľké Kapušany and Vojany were occupied by Czechoslovak troops.
January 1919: The whole territory of Slovakia was under Czechoslovak control.
2.2.3.Hungarian-Romanian War
Was a war between Romania and Hungary over territorial disputes after the dissolution of Austria-Hungary at the end of World War I.
2.2.3.1.Romanian occupation of Transylvania
At the beginning of the Hungarian-Romanian War Romanian troops occupied Transylvania, a territory promised to Romania by the Entente in the Treaty of Bucharest (1916).
January 1919: Romanian troops reached Baia Mare.
January 1919: The Romanian Army enters Sighetu Marmației.
January 1919: Romanian troops now control the entire territory up to the new demarcation line indicated by the Entente powers. Inner Transylvania and Maramureș are under Romanian control, leaving Banat under Serbian, and Crișana under Hungarian control.
2.2.4.Establishment of the Hutsul Republic
Was the creation of Republic of Hutsul in Ukraine during the dissolution of Austria-Hungary.
January 1919: The Hutsul Republic was declared on January 8, 1919, in the Carpathian Mountains of Ukraine.
Disestablishment
January 1919: On the night of January 2-3, Czechoslovak forces occupied Lučenec.
January 1919: The Hutsul Republic was declared on January 8, 1919, in the Carpathian Mountains of Ukraine.
January 1919: On January 9 without a fight, Nové Zámky, was occupied by Czech forces.
January 1919: Komárno conquered by Czechoslovak Republic.
January 1919: The Ipeľ basin was cleared from the Hungarians via Kováčová, Bušinka, Mikušovka to Pinciná. These territories were occupied by Czechoslovak troops.
January 1919: Romanian troops reached Baia Mare.
January 1919: The southern bank of Ipeľ was occupied by Czechoslovak troops.
January 1919: The cities of Perečín, Velký Berezný, Užok, Veľké Kapušany and Vojany were occupied by Czechoslovak troops.
January 1919: The Romanian Army enters Sighetu Marmației.
January 1919: The whole territory of Slovakia was under Czechoslovak control.
January 1919: Romanian troops now control the entire territory up to the new demarcation line indicated by the Entente powers. Inner Transylvania and Maramureș are under Romanian control, leaving Banat under Serbian, and Crișana under Hungarian control.
March 1919: Béla Kun proclaimed Hungary a Soviet Republic, and renounced the passive policy of accepting territorial losses dictated by the Entente.
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Hungarian Democratic Republic
