Family tree Haverkamp » Harm de Roo (1839-1913)

Day of marriage April 21, 1897

• The temperature on April 21, 1897 was about 11.2 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 90%. 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.
  • May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
  • July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
  • July 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
  • August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
  • December 30 » The British Colony of Natal annexes Zululand.

Day of death February 13, 1913

• The temperature on February 13, 1913 was between 1.7 °C and 5.5 °C and averaged 3.6 °C. There was 0.1 mm of rain. The average windspeed was 1 Bft (weak wind) and was prevailing from the 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 February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
• 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 1913: Source: Wikipedia
  • The Netherlands had about 6.1 million citizens.
  • February 9 » A group of meteors is visible across much of the eastern seaboard of North and South America, leading astronomers to conclude the source had been a small, short-lived natural satellite of the Earth.
  • February 20 » King O'Malley drives in the first survey peg to mark commencement of work on the construction of Canberra.
  • April 24 » The Woolworth Building, a skyscraper in New York City, is opened.
  • June 4 » Emily Davison, a suffragette, runs out in front of King George V's horse at The Derby. She is trampled, never regains consciousness, and dies four days later.
  • June 19 » Natives Land Act, 1913 in South Africa implemented.
  • August 16 » Tōhoku Imperial University of Japan (modern day Tohoku University) becomes the first university in Japan to admit female students.

Source: Wikipedia

• 1888 » Jean-Baptiste Lamy, French-American archbishop (b. 1814)
• 1892 » Provo Wallis, Canadian-English admiral (b. 1791)
• 1893 » Ignacio Manuel Altamirano, Mexican intellectual and journalist (b. 1834)
• 1905 » Konstantin Savitsky, Russian painter (b. 1844)
• 1906 » Albert Gottschalk, Danish painter (b. 1866)
• 1934 » József Pusztai, Slovene-Hungarian poet and journalist (b. 1864)