190 reactions · 151 shares | #OnThisDay 1 September 1939, Nazi Germany invaded Poland, causing the outbreak of World War II. Explore our online exhibition “1939: Jewish Families on the Brink of War”, which presents the stories of Jewish families throughout Europe in 1939, as WWII began. The exhibition then follows their fate throughout the years of the war. View the online exhibition here >> https://bit.ly/3t2Q5gs | Yad Vashem: World Holocaust Center, Jerusalem | Facebook