 In the Second Polish Republic between the world wars, Lanivtsi, known then as Łanowce, belonged to Krzemieniec County, Volhynian Voivodeship.For centuries, Lanivtsi was the center of an area of large estates that belonged to several noble families, such as the Jelowiecki, Wisniowiecki, Mniszech and Rzewuski.By 1940 this area was part of the Soviet Union, and was invaded by Nazi Germans in 1941, with occupation starting July 3 of that year.