Classrooms Without Borders and The Ghetto Fighters’ House invite you to History, Archeology and Memory: The 80th Anniversary of the Establishment of the Death Camps Belzec, Sobibor and Treblinka. 2 p.m. classroomswithoutborders.org/history-archeology-memory-80th-anniversary-establishment-death-camps-belzec-sobibor-treblinka