The 1st Proletarian Corps ( sh-Latn, Prvi proleterski korpus) was a

Yugoslav Partisan The Yugoslav Partisans,Serbo-Croatian, Macedonian, Slovene: , or the National Liberation Army, sh-Latn-Cyrl, Narodnooslobodilačka vojska (NOV), Народноослободилачка војска (НОВ); mk, Народноослобод ...

corps Corps (; plural ''corps'' ; from French , from the Latin "body") is a term used for several different kinds of organization. A military innovation by Napoleon I, the formation was first named as such in 1805. The size of a corps varies great ...

that fought against the

Germans , native_name_lang = de , region1 = , pop1 = 72,650,269 , region2 = , pop2 = 534,000 , region3 = , pop3 = 157,000 3,322,405 , region4 = , pop4 = ...

Independent State of Croatia The Independent State of Croatia ( sh, Nezavisna Država Hrvatska, NDH; german: Unabhängiger Staat Kroatien; it, Stato indipendente di Croazia) was a World War II-era puppet state of Nazi Germany and Fascist Italy (1922–1943), Fascist It ...

(NDH) and

Chetniks The Chetniks ( sh-Cyrl-Latn, Четници, Četnici, ; sl, Četniki), formally the Chetnik Detachments of the Yugoslav Army, and also the Yugoslav Army in the Homeland and the Ravna Gora Movement, was a Yugoslav royalist and Serbian nationa ...

in occupied

Democratic Federal Yugoslavia Democratic Federal Yugoslavia, also known as Democratic Federative Yugoslavia (DF Yugoslavia or DFY), was a provisional state established during World War II on 29 November 1943 through the Second Session of the Anti-Fascist Council for the Nation ...

during

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

. It was created on 5 October 1943 from the 1st Proletarian and 6th "Nikola Tesla" Divisions. On 15 September 1944 the "Operational Group of divisions" (5th, 17th and 21st Divisions) became also part of the 1st Corps. Its first commander was

Koča Popović Konstantin "Koča" Popović ( sr-cyrl, Константин "Коча" Поповић; 14 March 1908 – 20 October 1992) was a Yugoslav politician and communist volunteer in the Spanish Civil War, 1937–1939 and Divisional Commander of the Fir ...

, succeeded in July 1944 by

Peko Dapčević Petar "Peko" Dapčević (Serbo-Croatian Cyrillic: Петар Пеко Дапчевић; 25 June 1913 – 13 February 1999) was a Yugoslav communist who fought as a volunteer in the Spanish Civil War, joined the Partisan uprising in Montenegr ...

. Until the middle of June 1944, the 1st (Proletarian) Corps operated in Western and Central Bosnia and

Lika Lika () is a traditional region of Croatia proper, roughly bound by the Velebit mountain from the southwest and the Plješevica mountain from the northeast. On the north-west end Lika is bounded by Ogulin-Plaški basin, and on the south-east by ...

, where it fought heavy battles with units of the German 15th Mountain, 5th SS Mountain and 69th Corps. In 1943-1944, it participated in the Banja Luka Operation and Drvar Operation. In May 1944 it withstood the German

Operation Rösselsprung (1944) Operation Rösselsprung (german: Unternehmen Rösselsprung, links=no, , Knight's move) was a combined airborne and ground assault by the German XV Mountain Corps and collaborationist forces on the Supreme Headquarters of the Yugoslav Parti ...

.
In August 1944 it made an attack over

Zlatibor Zlatibor ( sr-cyr, Златибoр ) is a mountainous region situated in the western part of Serbia. Among the most popular places in Serbia for tourism, Zlatibor's main attractions include health tourism, skiing, and hiking and the longest p ...

into Serbia and defeated the Chetniks at

Maljen Maljen ( sr, Маљен) () is a mountain in western Serbia, just south of the city of Valjevo. It is well known as a summer and winter resort. The highest peak is Kraljev Sto, at above sea level, followed by Crni Vrh at . On Maljen is situated r ...

and

Suvobor Suvobor (Serbian Cyrillic: Сувобор) is a mountain in central Serbia, near the town of Gornji Milanovac. Its highest peak ''Suvobor'' has an elevation of above sea level. The northwestern part of Suvobor is called Rajac (847 m ) and i ...

.
In autumn 1944, it fought in the Belgrade operation and then on the

Syrmian Front The Syrmian Front ( sh, Srijemski front/Sremski front) was an Axis line of defense during World War II. It was established as part of the Eastern Front in late October 1944 in Syrmia and east Slavonia, northwest of Belgrade. After the Yugosla ...

. On 1 January 1945 the 1st Corps was reformed into the 1st Army.

Sources

vojska.net
{{DEFAULTSORT:1st Corps Corps of the Yugoslav Partisans Military units and formations established in 1943 Military units and formations disestablished in 1945