Family tree Van der Pol » Wilhelmus Johannes van der Pol (1872-1930)

Day of marriage August 7, 1895

• The temperature on August 7, 1895 was about 14.7 °C. There was 0.3 mm of rain. The airpressure was 75 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.
  • February 1 » Fountains Valley, Pretoria, the oldest nature reserve in Africa, is proclaimed by President Paul Kruger.
  • February 24 » Revolution breaks out in Baire, a town near Santiago de Cuba, beginning the Cuban War of Independence, that ends with the Spanish–American War in 1898.
  • May 25 » Playwright, poet and novelist Oscar Wilde is convicted of "committing acts of gross indecency with other male persons" and sentenced to serve two years in prison.
  • October 22 » In Paris an express train derails after overrunning the buffer stop, crossing almost 30 metres (100ft) of concourse before crashing through a wall and falling 10 metres (33ft) to the road below.
  • November 5 » George B. Selden is granted the first U.S. patent for an automobile.
  • November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.

Day of death May 21, 1930

• The temperature on May 21, 1930 was between 4.1 °C and 15.2 °C and averaged 10.2 °C. There was 0.8 hours of sunshine (5%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
• In the year 1930: Source: Wikipedia
  • The Netherlands had about 7.8 million citizens.
  • February 3 » Communist Party of Vietnam is founded at a "Unification Conference" held in Kowloon, British Hong Kong.
  • March 6 » International Unemployment Day demonstrations globally initiated by the Comintern.
  • May 24 » Amy Johnson lands in Darwin, Northern Territory, becoming the first woman to fly solo from England to Australia (she left on May 5 for the 11,000 mile flight).
  • September 8 » 3M begins marketing Scotch transparent tape.
  • November 3 » Getúlio Vargas becomes Head of the Provisional Government in Brazil after a bloodless coup on October 24.
  • December 7 » W1XAV in Boston, Massachusetts telecasts video from the CBS radio orchestra program, The Fox Trappers. The telecast also includes the first television commercial in the United States, an advertisement for I.J. Fox Furriers, who sponsored the radio show.

Source: Wikipedia

• 1925 » Hidesaburō Ueno, Japanese agriculturalist, guardian of Hachikō (b. 1871)
• 1926 » Ronald Firbank, English-Italian author (b. 1886)
• 1929 » Archibald Primrose, 5th Earl of Rosebery, English politician, Prime Minister of the United Kingdom (b. 1847)
• 1932 » Marcel Boulenger, French fencer and author (b. 1873)
• 1935 » Hugo de Vries, Dutch botanist and geneticist (b. 1848)
• 1935 » Jane Addams, American activist and author, co-founded Hull House, Nobel Prize laureate (b. 1860)