Family tree Weening » Klaas van der Laan (1868-1922)

Day of marriage May 15, 1897

• The temperature on May 15, 1897 was about 10.9 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 69%. Source: KNMI
• Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• Regentes Emma (Huis van Oranje-Nassau) was from 1890 till 1898 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• In The Netherlands , there was from May 9, 1894 to July 27, 1897 the cabinet Roëll, with Jonkheer mr. J. Roëll (oud-liberaal) as prime minister.
• 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 1897: Source: Wikipedia
  • The Netherlands had about 5.1 million citizens.
  • April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
  • July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
  • August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
  • August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
  • September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
  • September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.

Day of death September 23, 1922

• The temperature on September 23, 1922 was between 9.6 °C and 15.8 °C and averaged 12.9 °C. There was 1.1 hours of sunshine (9%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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 September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
• In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
• In the year 1922: Source: Wikipedia
  • The Netherlands had about 7.0 million citizens.
  • April 7 » The United States Secretary of the Interior leases federal petroleum reserves to private oil companies on excessively generous terms.
  • April 20 » The Soviet government creates South Ossetian Autonomous Oblast within Georgian SSR.
  • June 30 » In Washington D.C., U.S. Secretary of State Charles Evans Hughes and Dominican Ambassador Francisco J. Peynado sign the Hughes–Peynado agreement, which ends the United States occupation of the Dominican Republic.
  • July 24 » The draft of the British Mandate of Palestine was formally confirmed by the Council of the League of Nations; it came into effect on 26 September 1923.
  • August 30 » Battle of Dumlupınar: The final battle in the Greco-Turkish War ("Turkish War of Independence").
  • November 21 » Rebecca Latimer Felton of Georgia takes the oath of office, becoming the first female United States Senator.

Source: Wikipedia

• 1913 » Donato Álvarez, Argentinian general (b. 1825)
• 1917 » Werner Voss, German lieutenant and pilot (b. 1897)
• 1929 » Richard Adolf Zsigmondy, Austrian-German chemist, physicist, and academic, Nobel Prize laureate (b. 1865)
• 1939 » Francisco León de la Barra, Mexican politician and diplomat, interim president, 1911 (b. 1863)
• 1939 » Sigmund Freud, Austrian neurologist and psychiatrist (b. 1856)
• 1940 » Hale Holden, American businessman (b. 1869)