 At the beginning of the 20th century, Ivyanets featured numerous hospitals and clinics, and in 1915 years around the St. Euphrosyne of Polotsk Orthodox church was built next to the fairgrounds.In February 1918, Ivyanets was occupied during the First World War by German troops as part of the invasion of Russia.On 25 March, 1918, Ivyanets was proclaimed part of the short-lived independent Belarusian People's Republic, but on 1 January, 1919, in accordance with the decision of the Congress of the Communist Party (Bolsheviks) of Belarus, became a part of the Byelorussian SSR, but in August 1919, Ivyanets was occupied by the Polish Army.