1751 Vienna: Hapsburg rulers founded the first military academy in the world, the Theresian Military Academy. We might see it next year.
1900 At the Physics Society in Berlin Max Planck presented a theoretical derivation of his black-body radiation law which became a corner stone of quantum theory.
1911 Norwegian explorer Roald Amundsen became the first to reach the South Pole.
1926 Mystery writer Agatha Christie reappeared eleven days after being reported missing, with no memory of where she has been. Christie’s autobiography makes no reference to her disappearance.
1962 For the first time an earth probe, Mariner 2, flew by Venus.
Skip to content