1919

Events

• Albert Einstein's theory of general relativity is tested by observations of the "bending of light" during a total solar eclipse.
  These observations and tests are made independently of each other, by Arthur Eddington in Príncipe, and Andrew Crommelin in Brazil.

• The International Astronomical Union is founded in Paris, France.
  Their main objective is to advance astronomy in all aspects, including promoting astronomical research, outreach, education, and development through global cooperation.

1918

[[20th Century]] 1910s

1920