With the begin of the World War I Uladzimier Prakulevich was evacuated to Moscow.
In 1921 he fled to Vilnia, West Belarus, where he took the position of the foreign secretary of the Belarusian Socialist-Revolutionary Party.
[1] In 1922, he was expelled by the Polish authorities to the Republic of Lithuania, along with other 33 Belarusian political activists.
Since August 1923, Prakulevich worked as State Secretary of the Belarusian Democratic Republic government in exile in Prague.
Uladzimier Prakulevich was arrested by the GPU on 19 July 1930 as part of the Case of the Union of Liberation of Belarus together with other Belarusian political and cultural activists in the BSSR.