German politician Adolf Hitler’s name has gone down in history as one of the most notorious leaders of all times.

Known for carrying out a massive genocide of nearly 5.5 million Jews during his regime, Hitler has also been credited for reviving Germany of the Great Deppression in 1930s.

On his 127th birth anniversary, here are five mysteries about the Nazi leader:

1. Death by bullet or poison?
Hitler’s death has been a matter of speculations for a long time. While some Theories suggest that Hitler killed himself by gunshot on 30 April 1945, others suggest that he committed suicide by taking cyanide. (Read More)

2. Adolf Hitler died in Argentina or Brazil?
While the mode of Hitler’s remains an unanswered question, reports suggest that Hitler never died in his bunker. While some theories suggest that the Nazi Dictator fled to Paraguay, Brazil to live with his Brazilian lover; other theories suggest that he died of old age with his wife Eva Braun in Argentina. (Read More)

3. Nazis had a hidden base in Antarctica?
A conspiracy theory suggests that the Nazis had built a Hidden Base in Antarctica, which they used to hide Hitler towards the end of the war fought against Britain and the US. (Read More)

4. Nazis have buried gold in Austria, New Zealand, Poland
Nazis are said to have buried billions of tons of gold, whereabouts of which remain unclear. Rumoured locations of the hidden gold include Lake Toplitz in Austria, Auckland Island near the coast of New Zealand and Walbrzych in western Poland. (Read More)

5. Hitler had a fully-functional UFO technology?
The Nazi dictator was a technology fan. Many conspiracy theories claim that Hitler’s secret plan was to launch a UFO attack on London and New York. These theories are further strengthened by the fact that Hitler had the best scientists and engineers at his disposal. (Read More)