The temperature on February 20, 1911 was between 0.5 °C and 7.1 °C and averaged 3.1 °C. There was 2.7 mm of rain. There was 2.2 hours of sunshine (21%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
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 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
September 23 » Pilot Earle Ovington makes the first official airmail delivery in America under the authority of the United States Post Office Department
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
Day of marriage June 2, 1938
The temperature on June 2, 1938 was between 7.8 °C and 18.0 °C and averaged 12.7 °C. There was 0.1 mm of rain. There was 7.7 hours of sunshine (47%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
March 18 » Mexico creates Pemex by expropriating all foreign-owned oil reserves and facilities.
July 3 » United States President Franklin D. Roosevelt dedicates the Eternal Light Peace Memorial and lights the eternal flame at Gettysburg Battlefield.
July 17 » Douglas Corrigan takes off from Brooklyn to fly the "wrong way" to Ireland and becomes known as "Wrong Way" Corrigan.
July 31 » Archaeologists discover engraved gold and silver plates from King Darius the Great in Persepolis.
September 23 » The Czechoslovak army is mobilized in response to the Munich Agreement.
December 16 » Adolf Hitler institutes the Cross of Honour of the German Mother.
Day of death July 25, 1997
The temperature on July 25, 1997 was between 14.8 °C and 18.9 °C and averaged 16.4 °C. There was 7.1 mm of rain during 4.2 hours. There was 3.2 hours of sunshine (20%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
April 13 » Tiger Woods becomes the youngest golfer to win the Masters Tournament.
May 27 » The 1997 Central Texas tornado outbreak occurs, spawning multiple tornadoes in Central Texas, including the F5 that killed 27 in Jarrell.
June 13 » A jury sentences Timothy McVeigh to death for his part in the 1995 Oklahoma City bombing.
July 4 » NASA's Pathfinder space probe lands on the surface of Mars.
August 10 » Sixteen people are killed when Formosa Airlines Flight 7601 crashes near Beigan Airport in the Matsu Islands of Taiwan.
December 22 » Hussein Farrah Aidid relinquishes the disputed title of President of Somalia by signing the Cairo Declaration, in Cairo, Egypt. It is the first major step towards reconciliation in Somalia since 1991.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I167675.php : accessed October 10, 2026), "Halbe Zijlstra (1911-1997)".
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