Family tree Weening » Pieter Wopkes Ritsma (1870-1918)

Day of marriage November 16, 1895

• The temperature on November 16, 1895 was about 14.0 °C. There was 0.6 mm of rain. 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)
• 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 year 1895: Source: Wikipedia
  • The Netherlands had about 5.1 million citizens.
  • March 22 » Before the Société pour L'Encouragement à l'Industrie, brothers Auguste and Louis Lumière demonstrate movie film technology publicly for the first time.
  • May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
  • May 25 » The Republic of Formosa is formed, with Tang Jingsong as its president.
  • November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
  • November 27 » At the Swedish–Norwegian Club in Paris, Alfred Nobel signs his last will and testament, setting aside his estate to establish the Nobel Prize after he dies.
  • December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.

Day of death August 18, 1918

• The temperature on August 18, 1918 was between 14.6 °C and 19.9 °C and averaged 16.5 °C. There was 0.8 mm of rain. There was 2.0 hours of sunshine (14%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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 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 year 1918: Source: Wikipedia
  • The Netherlands had about 6.6 million citizens.
  • January 4 » The Finnish Declaration of Independence is recognized by Russia, Sweden, Germany and France.
  • July 4 » Bolsheviks kill Tsar Nicholas II of Russia and his family (Julian calendar date).
  • July 26 » Emmy Noether's paper, which became known as Noether's theorem was presented at Göttingen, Germany, from which conservation laws are deduced for symmetries of angular momentum, linear momentum, and energy.
  • August 16 » The Battle of Lake Baikal was fought between the Czechoslovak Legion and the Red Army.
  • October 1 » Sayid Abdullah becomes the last Khan of Khiva.
  • December 27 » The Great Poland Uprising against the Germans begins.

Source: Wikipedia

• 1919 » Joseph E. Seagram, Canadian businessman and politician, founded the Seagram Company (b. 1841)
• 1940 » Walter Chrysler, American businessman, founded Chrysler (b. 1875)
• 1943 » Ali-Agha Shikhlinski, Azerbaijani general (b. 1865)
• 1944 » Ernst Thälmann, German soldier and politician (b. 1886)
• 1945 » Subhas Chandra Bose, Indian activist and politician (b. 1897)
• 1949 » Paul Mares, American trumpet player and bandleader (New Orleans Rhythm Kings) (b. 1900)