March 20 Major Events in World History

1921

The Upper Silesia plebiscite is held on 20 March 1921, in accordance with the Versailles Treaty; voters in the industrial region choose between joining Germany or Poland.

1922

USS Langley, America’s first aircraft carrier, is commissioned on 20 March 1922, initiating a new era in naval aviation for the U.S. Navy.

1923

The Arts Club of Chicago hosts Pablo Picasso’s first U.S. exhibition on 20 March 1923, making Chicago an early center for modern art appreciation.