The temperature on May 8, 1911 was between 5.0 °C and 18.1 °C and averaged 12.6 °C. There was 13.6 hours of sunshine (89%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
December 14 » Roald Amundsen's team, comprising himself, Olav Bjaaland, Helmer Hanssen, Sverre Hassel, and Oscar Wisting, becomes the first to reach the South Pole.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
Day of marriage October 30, 1934
The temperature on October 30, 1934 was between 3.2 °C and 9.0 °C and averaged 6.4 °C. There was 5.1 mm of rain during 2.3 hours. There was 2.3 hours of sunshine (24%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 15 » The 8.0 Mw Nepal–Bihar earthquake strikes Nepal and Bihar with a maximum Mercalli intensity of XI (Extreme), killing an estimated 6,000–10,700 people.
January 26 » German–Polish Non-Aggression Pact is signed.
May 15 » Kārlis Ulmanis establishes an authoritarian government in Latvia.
May 21 » Oskaloosa, Iowa, becomes the first municipality in the United States to fingerprint all of its citizens.
September 21 » A large typhoon hits western Honshū, Japan, killing more than three thousand people.
September 22 » The Gresford disaster in Wales kills 266 miners and rescuers.
Day of death June 16, 1975
The temperature on June 16, 1975 was between 8.0 °C and 18.4 °C and averaged 13.6 °C. There was -0.1 mm of rain. There was 11.9 hours of sunshine (71%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
May 27 » Dibbles Bridge coach crash near Grassington, in North Yorkshire, England, kills 33 – the highest ever death toll in a road accident in the United Kingdom.
July 5 » Arthur Ashe becomes the first black man to win the Wimbledon singles title.
August 15 » Takeo Miki makes the first official pilgrimage to Yasukuni Shrine by an incumbent prime minister on the anniversary of the end of World War II.
September 4 » The Sinai Interim Agreement relating to the Arab–Israeli conflict is signed.
September 5 » Sacramento, California: Lynette Fromme attempts to assassinate U.S. President Gerald Ford.
November 22 » Juan Carlos is declared King of Spain following the death of Francisco Franco.
Day of burial June 21, 1975
The temperature on June 21, 1975 was between 13.0 °C and 24.1 °C and averaged 19.1 °C. There was 0.6 mm of rain during 0.5 hours. There was 5.9 hours of sunshine (35%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
When copying data from this family tree, please include a reference to the origin: Gerda Lubberman, "Family tree Arling", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-arling/I472.php : accessed February 23, 2026), "Gerhardus Hermannus Johan "Gerard" Kolker (1911-1975)".
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