Family tree Weening » Johannes Laanstra (1875-1915)

Day of marriage July 31, 1897

• The temperature on July 31, 1897 was about 17.9 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 74%. 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.
  • February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
  • 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.
  • May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
  • June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
  • August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
  • November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.

Day of death May 21, 1915

• The temperature on May 21, 1915 was between 11.3 °C and 21.7 °C and averaged 16.9 °C. There was 3.9 mm of rain. There was 2.9 hours of sunshine (18%). 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 August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
• In the year 1915: Source: Wikipedia
  • The Netherlands had about 6.3 million citizens.
  • January 12 » The United States House of Representatives rejects a proposal to require states to give women the right to vote.
  • February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
  • April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
  • August 6 » World War I: Battle of Sari Bair: The Allies mount a diversionary attack timed to coincide with a major Allied landing of reinforcements at Suvla Bay.
  • August 17 » Jewish American Leo Frank is lynched in Marietta, Georgia after a 13-year-old girl is murdered.
  • September 30 » World War I: Radoje Ljutovac becomes the first soldier in history to shoot down an enemy aircraft with ground-to-air fire.

Source: Wikipedia

• 1911 » Williamina Fleming, Scottish-American astronomer and academic (b. 1857)
• 1915 » Leonid Gobyato, Russian general and engineer (b. 1875)
• 1919 » Evgraf Fedorov, Russian mathematician, crystallographer, and mineralogist (b. 1853)
• 1920 » Venustiano Carranza, Mexican politician, 54th President of Mexico (b. 1859)
• 1925 » Hidesaburō Ueno, Japanese agriculturalist, guardian of Hachikō (b. 1871)
• 1926 » Ronald Firbank, English-Italian author (b. 1886)