This Day In History : April 10

1979 Russian Federation

Soyuz 33 Launched with Russian and Bulgarian Cosmonauts

On April 10, 1979, the Soyuz 33 spacecraft is launched, carrying a Russian and a Bulgarian cosmonaut. This mission represents an important step in international space cooperation. The launch underscores the collaborative efforts in space exploration between the Soviet Union and Bulgaria.

Also on This Day in History April 10

Discover what happened on April 10 with HISTORY's summaries of major events, anniversaries,
famous births and notable deaths.

Births on This Day, April 10
  • 1829 William Booth

    English preacher and founder of the Salvation Army

  • 1927 Marshall Warren Nirenberg

    American biochemist and geneticist, Nobel 1968

  • 1755 Samuel Hahnemann

    German physician and originator of homeopathy

  • 1857 Henry Ernest Dudeney

    English mathematician and puzzle maker

  • 1838 Frank Stephen Baldwin

    American inventor who developed the Monroe calculator

Deaths on This Day, April 10
  • 1955 Pierre Teilhard de Chardin

    French philosopher and paleontologist (The Phenomenon of Man)

  • 1813 Joseph-Louis Lagrange

    Italian mathematician and astronomer (number theory, celestial mechanics)

  • 2013 Robert Edwards

    British physiologist and IVF pioneer

  • 1995 Morarji Desai

    Indian politician, activist and 4th Prime Minister of India (1977-79)

  • 1863 Giovanni Amici

    Italian physicist, microscopist, astronomer and optical instrument designer who invented the achromatic lens

1790

US Patent System Established

On April 10, 1790, the United States forms its patent system, providing a legal framework for inventors to protect their inventions. This system fosters innovation and contributes to the nation's technological and economic growth.
2019

First Image of a Black Hole Captured by Event Horizon Telescope

On April 10, 2019, the Event Horizon Telescope project releases the first-ever image of a black hole, located at the center of the M87 galaxy. This groundbreaking achievement provides visual confirmation of black holes and advances our understanding of these cosmic phenomena.
1972

Biological Weapons Convention Signed by 74 Nations

On April 10, 1972, seventy-four nations sign the Biological Weapons Convention, marking the first multilateral disarmament treaty to ban the production of biological weapons. This treaty aims to prevent the use of biological agents that can harm human health, ranging from mild allergies to severe diseases.
1866

ASPCA Founded by Henry Bergh in New York City

On April 10, 1866, the American Society for the Prevention of Cruelty to Animals (ASPCA) is established in New York City by Henry Bergh. This organization is dedicated to preventing cruelty to animals and advocating for their welfare.
Holiday
Special day
Discover invention