World War, 1939-1945 8 History 7 Prisoners of war 3 Underground movements 3 Atrocities 2 Conspiracy 2 Katyn Massacre, Katynʹ, Russia, 1940 2 more ... Man-woman relationships 2 Women 2 Campaigns 1 Cossack-Polish War, 1648-1657 1 Holocaust survivors 1 Holocaust, Jewish (1939-1945) 1 Jewish resistance 1 Jewish women in the Holocaust 1 Jews 1 Jews, Polish 1 Military campaigns 1 Occupied territories 1 Persecutions 1 Polish 1 Rescue 1 Sewerage 1 World War, 1914-1918 1 less ...