The first mass murder of Polish Jews was carried out during the so-called "Red Friday" of June 27, 1941, claiming the lives of up to 2,200 victims.
第一次针对比亚韦斯托克波兰犹太人的大屠杀发生于1941年6月27日，被称作“红色星期五”，多达2,200名受害者身亡。