Index/Organizations/Holocaust Encyclopedia

Holocaust Encyclopedia

Online encyclopedia, published by the United States Holocaust Memorial Museum

Fact-Checks

7 results
Jan 12, 2026
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What primary sources document Nazi reprisals language after Heydrich's assassination in 1942?

Primary evidence that Nazi leaders threatened and justified reprisals after Reinhard Heydrich’s May 1942 assassination appears in contemporaneous Nazi orders and official communications, in high-level...

Nov 15, 2025
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How many people died in Nazi concentration camps from 1933 to 1945?

Estimates of deaths in Nazi concentration, extermination, forced‑labor and related camps vary by definition and scope: camp‑system deaths are commonly reported in the low millions — for example, sourc...

Nov 23, 2025
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Which countries had the largest Jewish communities in 1939 and what were their populations?

On the eve of World War II the global Jewish population is reported in several sources as about 16.6 million; the largest national and regional communities in Europe before the Holocaust were Poland (...

Nov 20, 2025

How did the Jewish population change in Europe between 1914 and 1939?

European Jewry grew from the late 19th century into the interwar period and by the late 1930s numbered roughly 9–9.5 million, making up a majority of the world’s Jews (about 57% in some estimates) . B...

Dec 16, 2025

Which cities had the largest Jewish communities in 1939 and what were their prewar populations?

In 1939 the world’s largest concentrations of Jews were in Eastern Europe — Poland (~3,000,000), the European Soviet Union (~2,525,000) and Romania (~980,000) — while major city centers included Warsa...

Oct 26, 2025

What were the key economic policies in the Nazi 25 point platform?

The Nazi Party’s 25-point program, proclaimed in February 1920, combined into a single platform that included explicit economic measures: abolition of “unearned” incomes, nationalization of key indust...

Nov 17, 2025

What are the core political and ideological features that define fascism?

Scholars and reference works converge on a set of core features that recur in 20th‑century fascist movements: extreme militant nationalism, contempt for liberal democracy, authoritarian leadership and...