Family tree Jacobs » Adrianus van Helvert (1900-)

Birthday July 29, 1900

• The temperature on July 29, 1900 was about 17.2 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 93%. Source: KNMI
• Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• In The Netherlands , there was from July 27, 1897 to August 1, 1901 the cabinet Pierson, with Mr. N.G. Pierson (unie-liberaal) as prime minister.
• In the year 1900: Source: Wikipedia
  • The Netherlands had about 5.1 million citizens.
  • January 6 » Second Boer War: Having already besieged the fortress at Ladysmith, Boer forces attack it, but are driven back by British defenders.
  • February 6 » The Permanent Court of Arbitration, an international arbitration court at The Hague, is created when the Senate of the Netherlands ratifies an 1899 peace conference decree.
  • February 23 » Second Boer War: During the Battle of the Tugela Heights, the first British attempt to take Hart's Hill fails.
  • March 13 » British forces occupy Bloemfontein, Orange Free State, during the Second Boer War.
  • May 23 » American Civil War: Sergeant William Harvey Carney is awarded the Medal of Honor for his heroism in the Assault on the Battery Wagner in 1863.
  • December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.

Source: Wikipedia

• 1898 » Isidor Isaac Rabi, American physicist and academic, Nobel Prize Laureate († 1988)
• 1899 » Walter Beall, American baseball player († 1959)
• 1900 » Don Redman, American composer, and bandleader († 1964)
• 1900 » Eyvind Johnson, Swedish novelist and short story writer, Nobel Prize Laureate († 1976)
• 1900 » Mary V. Austin, Australian community worker and political activist († 1986)
• 1900 » Teresa Noce, Italian labor leader, activist, and journalist († 1980)