Genealogy De Groot » Johannes Helderman (1863-1947)

Day of marriage September 2, 1915

• The temperature on September 2, 1915 was between 8.2 °C and 17.4 °C and averaged 12.4 °C. There was 2.7 mm of rain. There was 6.4 hours of sunshine (47%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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 13 » The 6.7 M_w  Avezzano earthquake shakes the Province of L'Aquila in Italy with a maximum Mercalli intensity of XI (Extreme), killing between 29,978–32,610.
  • January 19 » German strategic bombing during World War I: German zeppelins bomb the towns of Great Yarmouth and King's Lynn in the United Kingdom killing at least 20 people, in the first major aerial bombardment of a civilian target.
  • February 12 » In Washington, D.C., the first stone of the Lincoln Memorial is put into place.
  • May 27 » HMS Princess Irene exploded and sank off Sheerness, Kent with the loss of 352 lives.
  • July 5 » The Liberty Bell leaves Philadelphia by special train on its way to the Panama–Pacific International Exposition. This is the last trip outside Philadelphia that the custodians of the bell intend to permit.
  • August 15 » A story in New York World newspaper reveals that the Imperial German government had purchased excess phenol from Thomas Edison that could be used to make explosives for the war effort and diverted it to Bayer for aspirin production.

Day of death April 25, 1947

• The temperature on April 25, 1947 was between 5.1 °C and 20.1 °C and averaged 13.4 °C. There was 8.5 hours of sunshine (59%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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 July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
• In the year 1947: Source: Wikipedia
  • The Netherlands had about 9.5 million citizens.
  • February 10 » The Paris Peace Treaties are signed by Italy, Romania, Hungary, Bulgaria, Finland and the Allies of World War II.
  • February 18 » First Indochina War: The French gain complete control of Hanoi after forcing the Viet Minh to withdraw to mountains.
  • February 21 » In New York City, Edwin Land demonstrates the first "instant camera", the Polaroid Land Camera, to a meeting of the Optical Society of America.
  • March 12 » Cold War: The Truman Doctrine is proclaimed to help stem the spread of Communism.
  • June 25 » The Diary of a Young Girl (better known as The Diary of Anne Frank) is published.
  • November 30 » Civil War in Mandatory Palestine begins, leading up to the creation of the state of Israel.

Source: Wikipedia

• 1941 » Salih Bozok, Turkish commander and politician (b. 1881)
• 1943 » Vladimir Nemirovich-Danchenko, Russian director, producer, and playwright (b. 1858)
• 1944 » George Herriman, American cartoonist (b. 1880)
• 1944 » Tony Mullane, Irish-American baseball player (b. 1859)
• 1944 » William Stephens, American engineer and politician, 24th Governor of California (b. 1859)
• 1945 » Huldreich Georg Früh, Swiss composer (b. 1903)