Newsweek spoke to disability rights activist Adam Pearson about how the disturbing theory still affects us today.
The answer comes down to two types of logic, according to a behavioral scientist.
Many American Jewish groups and lawmakers have called out the president's comment as anti-Semitic.
Merkel noted that people still have an obligation to "oppose all tendencies that seek to destroy democracy. This includes right-wing extremism."
Foreign Ministry spokesperson Maria Zakharova said the efforts of the western Allies "should of course not be exaggerated."
It is becoming increasingly difficult for German prosecutors to try people accused of being involved in Nazi crimes because the handful of suspects that are still alive are extremely old.
The author warned a German publisher "the time is not far distant when a German name will no longer be a source of pride."
The now-viral video shows a Border Patrol agent questioning bus riders' citizenship in New Mexico.
Otto Frank was thwarted by "American bureaucracy, war and time," researchers have found.
After intense backlash against the "Polish death camps" law, Warsaw is watering it down to remove criminal punishment.
Veterans who landed on Normandy beaches in June 1944 make a poignant return to D-Day Landings sites.
Tooth fragments discovered in Berlin in 1945 belonged to Hitler, proving he died as the Allies approached.
The Palestinian Authority president gave a conspiracy theory-laden speech.
"Trump is an enabler. Trump has no ideas. Trump is out for himself. He's a sick, very disturbed individual."
The Nazi professor's medical experiments were part of an attempt to prove the regime's racist ideology.
This organization won the Nobel Peace Prize in 1947 for its work.
Was Edward VIII, the Duke of Windsor, really a friend to Hitler during World War II?
Russia blames Western powers for their "betrayal" of Europe in signing the 1938 Munich Agreement that allowed the Nazis to take Czechoslovakia.
A woman claims that she was invited to the party as the "main prize" for a soldier.
Scans of nearly 40,000 documents from Argentina's ministry of foreign affairs are being transferred to the United States Holocaust Memorial Museum.
Germany had earlier taken steps to liberating its LGBTQ community—but then everything changed.
Soviet victory did not require help from Allies, the majority of Russians believe.
Germany's army "has to send signals both internally and externally that it is not rooted in the tradition" of the Nazi-era military, said Ursula von der Leyen.
Antoni Macierewicz delivered a speech commemorating the end of World War II in Europe.