Identifying the single most manipulative person in history is a subjective matter, and different individuals may have varying opinions on this topic. Many historical figures have been known for their manipulative tactics and strategies, often in pursuit of political power, control, or personal gain. Some notable examples include:
Machiavelli (1469-1527): Niccolò Machiavelli, an Italian philosopher and political theorist, is famous for his book "The Prince," in which he discussed the use of cunning and manipulation to achieve and maintain political power.
Joseph Stalin (1878-1953): The leader of the Soviet Union, Stalin, was known for his ruthlessness, manipulation, and purges, which resulted in the deaths of millions of people.
Adolf Hitler (1889-1945): The dictator of Nazi Germany, Hitler, manipulated the German people through propaganda and fear, leading to horrific acts during World War II, including the Holocaust.
Cesare Borgia (1475-1507): An Italian nobleman and politician, Borgia, was known for his cunning and deceitful tactics to expand his family's influence during the Italian Renaissance.
Charles Manson (1934-2017): An infamous cult leader, Manson, manipulated his followers to commit a series of gruesome murders in the late 1960s.
These are just a few examples, and there have been many other individuals throughout history who have been adept at manipulation. It's essential to study and learn from history to recognize and guard against such manipulative behaviors in the present and future.