The temperature on March 8, 1889 was about 5.5 °C. The air pressure was 20 kgf/m2 and came mainly from the south east. The airpressure was 75 cm mercury. The atmospheric humidity was 92%. Source: KNMI
April 22 » At noon, thousands rush to claim land in the Land Rush of 1889. Within hours the cities of Oklahoma City and Guthrie are formed with populations of at least 10,000.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
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.
August 4 » The Great Fire of Spokane, Washington destroys some 32 blocks of the city, prompting a mass rebuilding project.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
Day of marriage September 28, 1911
The temperature on September 28, 1911 was between 5.8 °C and 15.3 °C and averaged 11.8 °C. There was 5.5 mm of rain. There was 0.1 hours of sunshine (1%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
May 21 » President of Mexico Porfirio Díaz and the revolutionary Francisco Madero sign the Treaty of Ciudad Juárez to put an end to the fighting between the forces of both men, concluding the initial phase of the Mexican Revolution.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
November 3 » Chevrolet officially enters the automobile market in competition with the Ford Model T.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
Day of death December 11, 1975
The temperature on December 11, 1975 was between 1.7 °C and 6.8 °C and averaged 3.8 °C. There was -0.1 mm of rain. There was 2.1 hours of sunshine (27%). The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south east. 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.
March 10 » Vietnam War: Ho Chi Minh Campaign: North Vietnamese troops attack Ban Mê Thuột in the South on their way to capturing Saigon in the final push for victory over South Vietnam.
April 29 » Vietnam War: The North Vietnamese army completes its capture of all parts of South Vietnamese-held Trường Sa Islands.
May 28 » Fifteen West African countries sign the Treaty of Lagos, creating the Economic Community of West African States.
September 14 » The first American saint, Elizabeth Ann Seton, is canonized by Pope Paul VI.
November 10 » Israeli-Palestinian conflict: the United Nations General Assembly passes Resolution 3379, determining that Zionism is a form of racism.
November 28 » East Timor declares its independence from Portugal.
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/I201881.php : accessed February 15, 2026), "Jan Heerema (1889-1975)".
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