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Deaths on May 21

Hugo de Vries
1935May, 21

Hugo de Vries

Hugo de Vries, Dutch botanist and geneticist (b. 1848)
Hugo Marie de Vries (Dutch pronunciation: [ˈɦyɣoː də ˈvris]) (16 February 1848 – 21 May 1935) was a Dutch botanist and one of the first geneticists. He is known chiefly for suggesting the concept of genes, rediscovering the laws of heredity in the 1890s while apparently unaware of Gregor Mendel's work, for introducing the term "mutation", and for developing a mutation theory of evolution.

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Events on 1935

  • 26Feb

    Treaty of Versailles

    Adolf Hitler orders the Luftwaffe to be re-formed, violating the provisions of the Treaty of Versailles.
  • 16Mar

    Treaty of Versailles

    Adolf Hitler orders Germany to rearm herself in violation of the Treaty of Versailles. Conscription is reintroduced to form the Wehrmacht.
  • 25May

    Big Ten Conference

    Jesse Owens of Ohio State University breaks three world records and ties a fourth at the Big Ten Conference Track and Field Championships in Ann Arbor, Michigan.
  • 25Jun

    Soviet Union

    Diplomatic relations between the Soviet Union and Colombia are established.
  • 15Sep

    Swastika

    Nazi Germany adopts a new national flag bearing the swastika.