Battle of Lida took place on 16 and 17 April 1919 around the city of Lida

Lida

Lida is a city in western Belarus in Hrodna Voblast, situated 160 km west of Minsk. It is the fourteenth largest city in Belarus.- Etymology :...

 during the Polish-Soviet War

Polish-Soviet War

The Polish–Soviet War was an armed conflict between Soviet Russia and Soviet Ukraine and the Second Polish Republic and the Ukrainian People's Republic—four states in post–World War I Europe...

 of 1919-1920.

During World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

 Lida was occupied by the German troops

German Army

The German Army is the land component of the armed forces of the Federal Republic of Germany. Following the disbanding of the Wehrmacht after World War II, it was re-established in 1955 as the Bundesheer, part of the newly formed West German Bundeswehr along with the Navy and the Air Force...

. In 1919 the Red Army

Red Army

The Workers' and Peasants' Red Army started out as the Soviet Union's revolutionary communist combat groups during the Russian Civil War of 1918-1922. It grew into the national army of the Soviet Union. By the 1930s the Red Army was among the largest armies in history.The "Red Army" name refers to...

 established Soviet power.

Polish troops under General Józef Adam Lasocki

Józef Adam Lasocki

Józef Adam Lasocki was an officer in Austro-Hungarian Army and from December 1918 a general in Polish Army. During First World War commanded formations from a regiment to division in size. Fought in the Polish-Soviet War. In 1919 commanded 2 BJ, Grupa Zaniemenska, 1 and 2 DLB and 8 DP. In 1920...

 reached the outskirts of Lida in early March 1919. On April 15 they resumed their advance and on April 17 they captured Lida, as a screening operation to the taking of Vilnius

Vilna offensive

The Vilna offensive was a campaign of the Polish–Soviet War of 1919–1921. The Polish army launched an offensive on April 16, 1919, to take Vilnius from the Red Army. After three days of street fighting from April 19–21, the city was captured by Polish forces, causing the Red Army to...

.