Kysylyn or Kisilin is a town

Town

A town is a human settlement larger than a village but smaller than a city. The size a settlement must be in order to be called a "town" varies considerably in different parts of the world, so that, for example, many American "small towns" seem to British people to be no more than villages, while...

 in Volyn Oblast

Volyn Oblast

Volyn Oblast is an oblast in north-western Ukraine. Its administrative center is Lutsk. Kovel is the westernmost town and the last station in Ukraine of the rail line running from Kiev to Warsaw.-History:...

, Ukraine

Ukraine

Ukraine is a country in Eastern Europe. It has an area of 603,628 km², making it the second largest contiguous country on the European continent, after Russia...

. Before World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, it belonged to Wołyń Voivodeship in the eastern part of the Second Polish Republic

Second Polish Republic

The Second Polish Republic, Second Commonwealth of Poland or interwar Poland refers to Poland between the two world wars; a period in Polish history in which Poland was restored as an independent state. Officially known as the Republic of Poland or the Commonwealth of Poland , the Polish state was...

.

World War II

The Ukrainian Insurgent Army, supported by a group of local Ukrainian

Ukrainians

Ukrainians are an East Slavic ethnic group native to Ukraine, which is the sixth-largest nation in Europe. The Constitution of Ukraine applies the term 'Ukrainians' to all its citizens...

 peasants, committed a mass murder of around 60 to 90 ethnic Poles

Poles

thumb|right|180px|The state flag of [[Poland]] as used by Polish government and diplomatic authoritiesThe Polish people, or Poles , are a nation indigenous to Poland. They are united by the Polish language, which belongs to the historical Lechitic subgroup of West Slavic languages of Central Europe...

 in the centre of town on July 11, 1943. The Polish citizens who assembled for a Sunday service at a local Catholic church, were killed by a machine gun. The wounded, including children, were murdered with axes and knives. The Kisielin massacre

Kisielin massacre

Kisielin massacre was a massacre of Polish worshipers which took place in the Volhynian village of Kisielin , now Kysylyn, located in the Volyn Oblast, Ukraine...

 was part of the province–wide massacres of Poles in Volhynia

Massacres of Poles in Volhynia

The Massacres of Poles in Volhynia and Eastern Galicia were part of an ethnic cleansing operation carried out by the Ukrainian Insurgent Army West in the Nazi occupied regions of the Eastern Galicia , and UPA North in Volhynia , beginning in March 1943 and lasting until the end of...

 and Galicia, with the estimated thousand ethnic Poles from Wołyń killed by the Ukrainian nationalists

Ukrainian nationalism

Ukrainian nationalism refers to the Ukrainian version of nationalism.Although the current Ukrainian state emerged fairly recently, some historians, such as Mykhailo Hrushevskyi, Orest Subtelny and Paul Magosci have cited the medieval state of Kievan Rus' as an early precedents of specifically...

 during World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

. The memory of Kisielin massacre was featured in Agnieszka Arnold

Agnieszka Arnold

Agnieszka Arnold is a Polish documentary filmmaker. She compiled two documentaries on the Jedwabne pogrom of Jewish villagers, during World War II, by their Polish neighbors.-Films:* Miś - Assistant director* Kto ziarno nadziei siał...

's 2003 feature film Oczyszczenie (Cleansing).