This Day In History : March 20

2015 United States

A Supermoon, Solar eclipse and equinox coincide

On March 20, 2015, a rare celestial event occurred when a Supermoon, solar eclipse, and the equinox happened on the same day. This remarkable alignment captivated sky watchers and astronomers worldwide, offering a unique and spectacular view of the heavens.

Also on This Day in History March 20

Discover what happened on March 20 with HISTORY's summaries of major events, anniversaries,
famous births and notable deaths.

Births on This Day, March 20
  • 1925 David Warren

    Australian scientist and inventor of Flight Data Recorder, Cockpit Voice Recorder

  • 1906 Pavel Parenago

    Soviet scientist and astronomer (stellar astronomy)

  • 1926 Harold Rosen

    American engineer who created geosynchronous communications satellite

  • 1856 Frederick Winslow Taylor

    American mechanical engineer and the father of scientific management

  • 1895 Fredric Wertham

    German psychologist

Deaths on This Day, March 20
  • 1962 A. E. Douglass

    American astronomer and inventor of dendrochronology (tree-ring dating)

  • 2017 George Weinberg

    American psychotherapist who coined the word homophobia

  • 1878 Julius Robert von Mayer

    German physician and physicist who discovered first law of thermodynamics

  • 1932 Ilya Ivanovich Ivanov

    Russian biologist (artificial insemination of animals)

  • 1950 Walter Eucken

    German economist (social market economy)

1602

Dutch East India Company Established, Pioneers Stock Issuance

On March 20, 1602, the Dutch East India Company was established, becoming the first company to issue stock. This innovative move laid the foundation for modern corporate finance and stock markets, revolutionizing trade and commerce.
1987

NASA Launches Palapa B2P Satellite

On March 20, 1987, NASA successfully launched the Palapa B2P satellite. This satellite, part of Indonesia's communications network, aimed to enhance telecommunication services across the region. The launch marked a significant step in international space collaboration.
1883

Unity Treaty of Paris Signed, Protects Industrial Property

On March 20, 1883, the Unity Treaty of Paris was signed, establishing the first international system to protect industrial property. This treaty paved the way for global cooperation in intellectual property rights, benefiting inventors and industries worldwide.
1956

Tunisia Gains Independence from France

On March 20, 1956, Tunisia gained independence from France, ending decades of colonial rule. This historic event allowed Tunisia to begin its journey as a sovereign nation, shaping its own future and governance.
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