Kosów Lacki

Kosów Lacki is a town in Sokołów County, Masovian Voivodeship, Poland, with 2,152 inhabitants (2004).

Within the municipal territory are the two Treblinka camps.

History

 * 1202 - First mention of a village Kossów found in documents belonging to prince Konrad Mazowiecki.
 * 1723 - A permit was granted to organize a market twice a week and a fair four times in a year. Kosów was established as a town.
 * 18th century - There were two schools in Kossów, in which 40 percent of the students were girls.
 * 1869 - Civic rights were canceled, because Kosów participated in The January Uprising.
 * 1964 - A picture by El Greco titled "" was found in the presbytery in Kosów Lacki.
 * 01.01.2000 - Restoration of civic rights.