The temperature on August 21, 1889 was about 14.9 °C. The air pressure was 14 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 85%. Source: KNMI
January 22 » Columbia Phonograph is formed in Washington, D.C.
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
Day of marriage November 9, 1911
The temperature on November 9, 1911 was between 2.7 °C and 9.4 °C and averaged 5.9 °C. There was 1.4 mm of rain. There was 4.8 hours of sunshine (52%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 3 » A magnitude 7.7 earthquake destroys the city of Almaty in Russian Turkestan.
January 21 » The first Monte Carlo Rally takes place.
January 30 » The destroyer USSTerry makes the first airplane rescue at sea saving the life of Douglas McCurdy ten miles from Havana, Cuba.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
October 13 » Prince Arthur, Duke of Connaught and Strathearn, becomes the first Governor General of Canada of royal descent.
November 1 » World's first combat aerial bombing mission takes place in Libya during the Italo-Turkish War. Second Lieutenant Giulio Gavotti of Italy drops several small bombs.
Day of death June 10, 1970
The temperature on June 10, 1970 was between 15.0 °C and 29.4 °C and averaged 22.0 °C. There was 12.7 hours of sunshine (76%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
April 29 » Vietnam War: United States and South Vietnamese forces invade Cambodia to hunt Viet Cong.
May 15 » President Richard Nixon appoints Anna Mae Hays and Elizabeth P. Hoisington the first female United States Army generals.
August 7 » California judge Harold Haley is taken hostage in his courtroom and killed during an effort to free George Jackson from police custody.
August 26 » A new feminist movement leads a nationwide Women's Strike for Equality.
November 4 » Salvador Allende takes office as President of Chile, the first Marxist to become president of a Latin American country through open elections.
November 25 » In Japan, author Yukio Mishima and one compatriot commit ritualistic seppuku after an unsuccessful coup attempt.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I79294.php : accessed March 10, 2026), "Martha Baron (1889-1970)".
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