Hungarian–Czechoslovak War

Hungarian–Czechoslovak War
Part of the 1918–20 revolutions and interventions in Hungary

Territory recovered by the Hungarian Soviet Republic (light red) in today Slovakia and minor parts in today Hungary, in May–June 1919
DateNovember 1918 – August 1919
Location
Result Czechoslovak victory
Territorial
changes
Most of Upper Hungary falls under control of Czechoslovakia
Belligerents
 Hungarian Republic
(until 21 March 1919)
 Soviet Hungary
(from 21 March 1919)
Supported by:
 Soviet Russia
 Czechoslovakia
Hungarian anti-communists
Supported by:
 France
 Romania
 Italy
Commanders and leaders
Mihály Károlyi
Béla Kun
Aurél Stromfeld
Ferenc Julier
Vilmos Böhm
Tomáš Masaryk
František Schöbl
Josef Štika
Josef Šnejdárek
Josef Votruba
Strength
80,000 20,000
Casualties and losses
450 killed (regular army only)
(some sources talks about 1,000 – 1,500 being killed)
3,691 wounded
471 captured
6,977 sick
861 killed
2,830 wounded
343 captured
1,960 missing (in some sources counted as dead)
1,412 sick

The Hungarian–Czechoslovakian War, also known as the War for Upper Hungary, was a military conflict between Czechoslovakia and Hungary. It lasted from November 1918 until August 1919. The military operation launched by the Hungarian Red Army in 1919 against Czechoslovak forces referred as Northern Campaign (Hungarian: északi hadjárat) in Hungary.