Propaganda is a form of communication aimed at influencing the attitude of a community toward some cause or position. It often presents facts selectively to encourage a particular synthesis or uses loaded language to produce an emotional rather than rational response.

The term 'propaganda' originated in 1622 when Pope Gregory XV established the Congregatio de Propaganda Fide (Congregation for Propagating the Faith) to promote Catholic missionary work.

Themistocles of ancient Greece used disinformation as a form of propaganda during the Greco-Persian Wars. He spread false information to mislead the Persians and influence the decisions of his own people.

Martin Luther was a master of propaganda during the Reformation. He effectively used the printing press to spread his ideas, producing pamphlets, posters, and translations of the Bible in vernacular German.

During World War I, propaganda was used extensively by all major powers to influence public opinion and morale. It was employed to boost recruitment, demonize the enemy, and maintain support for the war effort on the home front.

Hitler established the Reich Ministry of Public Enlightenment and Propaganda in 1933, led by Joseph Goebbels. This ministry controlled all aspects of German cultural and intellectual life, ensuring that Nazi ideology permeated all forms of media and art.

American propaganda posters during World War I were primarily used to rally troop enlistment and support for the war effort. They often featured patriotic imagery, appeals to duty, and portrayals of the enemy as a threat to American values and way of life.

Hans Schweitzer, known by the pseudonym 'Mjolnir', was a famous Nazi propaganda artist. He created numerous posters and graphics that promoted Nazi ideology and Hitler's leadership, becoming one of the most prominent visual propagandists of the Third Reich.

Napoleon Bonaparte was a master of propaganda. He used various media, including paintings, sculptures, and written accounts, to cultivate his image as a powerful, heroic leader. He also controlled the press to shape public opinion and garner support for his regime and military campaigns.

The Pyramid of the Capitalist System was an American cartoon published in 1911 by the Industrial Worker. It depicted social stratification in capitalist society, criticizing the exploitation of workers and the concentration of wealth at the top. This image became a powerful piece of propaganda for socialist and labor movements.