The temperature on November 25, 1889 was about 7.5 °C. There was 2 mm of rain. The air pressure was 94 kgf/m2 and came mainly from the south-southwest. The airpressure was 74 cm mercury. The atmospheric humidity was 97%. Source: KNMI
January 22 » Columbia Phonograph is formed in Washington, D.C.
February 11 » Meiji Constitution of Japan is adopted.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
May 11 » An attack upon a U.S. Army paymaster and escort results in the theft of over $28,000 and the award of two Medals of Honor.
July 11 » Tijuana, Mexico, is founded.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
Day of death March 30, 1964
The temperature on March 30, 1964 was between 0.8 °C and 4.5 °C and averaged 2.6 °C. There was 2.6 mm of rain during 9.8 hours. The almost completely overcast was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west. Source: KNMI
February 17 » Gabonese president Léon M'ba is toppled by a coup and his rival, Jean-Hilaire Aubame, is installed in his place.
February 17 » In Wesberry v. Sanders the Supreme Court of the United States rules that congressional districts have to be approximately equal in population.
March 27 » The Good Friday earthquake, the most powerful earthquake recorded in North American history at a magnitude of 9.2 strikes Southcentral Alaska, killing 125 people and inflicting massive damage to the city of Anchorage.
August 4 » Second Gulf of Tonkin Incident: U.S. destroyers USSMaddox and USSTurner Joy mistakenly report coming under attack in the Gulf of Tonkin.
October 14 » The Soviet Presidium and the Communist Party Central Committee each vote to accept Nikita Khrushchev's "voluntary" request to retire from his offices.
December 5 » Lloyd J. Old discovered the first linkage between the major histocompatibility complex (MHC) and disease—mouse leukemia—opening the way for the recognition of the importance of the MHC in the immune response.
Day of burial April 3, 1964
The temperature on April 3, 1964 was between 2.3 °C and 3.8 °C and averaged 2.9 °C. There was 5.3 mm of rain during 4.6 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
June 10 » United States Senate breaks a 75-day filibuster against the Civil Rights Act of 1964, leading to the bill's passage.
August 1 » The former Belgian Congo is renamed the Democratic Republic of the Congo.
August 28 » The Philadelphia race riot begins.
October 29 » A collection of irreplaceable gems, including the 565 carat (113 g) Star of India, is stolen by a group of thieves (among them is "Murph the surf") from the American Museum of Natural History in New York City.
October 29 » The United Republic of Tanganyika and Zanzibar is renamed the United Republic of Tanzania.
November 28 » Vietnam War: National Security Council members agree to recommend that U.S. President Lyndon B. Johnson adopt a plan for a two-stage escalation of bombing in North Vietnam.
When copying data from this family tree, please include a reference to the origin: H. Grevinga, "Family tree Grevinga", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-grevinga/I2136.php : accessed January 5, 2026), "hendrik jan koers (1889-1964)".
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