Family tree Hendrickx, van Lieshout, Hartogs, Bouwels » Matheus Hubertus de Graaf (22.7.7) (1900-)

Birthday July 22, 1900

• The temperature on July 22, 1900 was about 19.6 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 80%. 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.
  • April 15 » Philippine–American War: Filipino guerrillas launch a surprise attack on U.S. infantry and begin a four-day siege of Catubig, Philippines.
  • May 29 » N'Djamena is founded as Fort-Lamy by the French commander Émile Gentil.
  • August 16 » The Battle of Elands River during the Second Boer War ends after a 13-day siege is lifted by the British. The battle had begun when a force of between 2,000 and 3,000 Boers had surrounded a force of 500 Australians, Rhodesians, Canadians and British soldiers at a supply dump at Brakfontein Drift.
  • October 19 » Max Planck discovers Planck's law of black-body radiation.
  • November 7 » Second Boer War: Battle of Leliefontein, a battle during which the Royal Canadian Dragoons win three Victoria Crosses.
  • December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.

Source: Wikipedia

• 1892 » Jack MacBryan, English cricketer and field hockey player († 1983)
• 1893 » Jesse Haines, American baseball player and coach († 1978)
• 1893 » Karl Menninger, American psychiatrist and author († 1990)
• 1895 » León de Greiff, Colombian poet, journalist, and diplomat († 1976)
• 1898 » Stephen Vincent Benét, American poet, short story writer, and novelist († 1943)
• 1899 » Sobhuza II of Swaziland († 1982)