This Day In History : June 2

1904 Germany

Professor Schron finds microbe that causes photosynthesis

On June 2, 1904, Professor Schron made a significant discovery: he found a microbe that causes photosynthesis. This discovery, which contributed to our understanding of the process of photosynthesis, occurred in Germany.

Also on This Day in History June 2

Discover what happened on June 2 with HISTORY's summaries of major events, anniversaries,
famous births and notable deaths.

Births on This Day, June 2
  • 1903 Robert Morris Page

    American physicist who helped develop and refine radar technology

  • 1951 Gilbert Baker

    American gay activist who designed the rainbow flag

  • 1740 Marquis de Sade

    French philosopher and writer (Justine) and where the words sadism and sadist are derived from

  • 1889 Eric Jan Hanussen [Hermann Steinschneider]

    Austrian astrologist, clairvoyant, illusionist, and speaking tutor to Hitler

  • 1897 Tan Malaka

    Indonesian philosopher and founder (Indonesian Communist)

Deaths on This Day, June 2
  • 1928 Timothy Thomas Fortune

    American orator, civil rights leader, writer and publisher (New York Age)

  • 1988 Raj Kapoor

    Indian actor known as "the greatest showman of Hindi cinema" (Awaara, Boot Polish)

  • 2018 Paul D. Boyer

    American biochemist and Nobel Prize Laureate for research on the "enzymatic mechanism underlying the biosynthesis of adenosine triphosphate (ATP)" (1997)

  • 2012 Richard Dawson

    English-American actor (Hogan's Heroes), and game show host (Family Feud)

  • 1990 Shriram Sharma

    Indian spiritual leader and founder of "All World Gayatri Pariwar"


Charles Rolls, becomes the first man to make a non-stop double crossing of the English Channel by Plan

Charles Rolls, becomes the first man to make a non-stop double crossing of the English Channel by Plan. He was the co-founder of Rolls-Royce Limited

The Indian Citizenship Act

The Indian Citizenship Act is signed into law by U.S. President Calvin Coolidge which grants citizenship to all American Indians

Coronation of Queen Elizabeth II

The coronation of Queen Elizabeth II took place on June 2, 1953, at Westminster Abbey in London, United Kingdom.

Europe launches its first voyage to another planet, Mars

Europe’s first voyage to another planet, Mars, was carried out by the Mars Express spacecraft. This mission was led by the European Space Agency (ESA) and marked a significant achievement in planetary exploration.
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