Before the Second World War, Eastern Europe was the demographic center of World Jewry.
The book is based mainl.
The author of this book did not stop there, though, but thoroughly explored European population developments and shifts mainly caused by emigration as well as deportations and evacuations conducted by both Nazis and the Soviets, among other things.
What happened? The "Holocaust," of course, most will say.
After the war, however, only a fraction of it was left behind.
Before the Second World War, Eastern Europe was the demographic center of World Jewry