WHAT HAPPENED IN 1920.
Look what happened the 1920.

The Belorussian Communist Organisation is founded as a separate party. (1. January 1920)

The second Palmer Raid takes place with another 6,000 suspected communists and anarchists arrested and held without trial. These raids take place in several U.S. cities. (2. January 1920)

The New York State Assembly refuses to seat five duly elected Socialist assemblymen. (7. January 1920)

The steel strike of 1919 ends in a complete failure for the Amalgamated Association of Iron, Steel and Tin Workers labor union. (8. January 1920)

The Treaty of Versailles takes effect, officially ending World War I. (10. January 1920)

The League of Nations holds its first council meeting in Paris, France. (16. January 1920)

The United States Senate votes against joining the League of Nations. (19. January 1920)

The American Civil Liberties Union is founded. (20. January 1920)

The Netherlands refuses to surrender the exiled Kaiser Wilhelm II of Germany to the Allies. (23. January 1920)

Former Ford Motor Company executive Henry Leland launches the Lincoln Motor Company which he later sold to his former employer. (26. January 1920)

The Royal Canadian Mounted Police begins operations. (1. February 1920)

The Tartu Peace Treaty is signed between Estonia and Russia. (2. February 1920)

France occupies Memel. (2. February 1920)

Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized. (9. February 1920)

Jozef Haller de Hallenburg performs symbolic wedding of Poland to the sea, celebrating restitution of Polish access to open sea. (10. February 1920)

The Negro National League is formed. (13. February 1920)

The League of Women Voters is founded in Chicago. (14. February 1920)

The Nazi Party is founded. (24. February 1920)

The first German Expressionist film and early horror movie, Robert Wiene's The Cabinet of Dr. Caligari, receives its première in Berlin. (26. February 1920)

Czechoslovak National assembly adopted the Constitution. (29. February 1920)