The temperature on April 15, 1889 was about 6.1 °C. There was 0.2 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 81%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
January 22 » Columbia Phonograph is formed in Washington, D.C.
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.
June 3 » The first long-distance electric power transmission line in the United States is completed, running 14 miles (23km) between a generator at Willamette Falls and downtown Portland, Oregon.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
July 11 » Tijuana, Mexico, is founded.
Day of death May 2, 1960
The temperature on May 2, 1960 was between -0.4 °C and 10.3 °C and averaged 5.6 °C. There was 0.1 mm of rain during 0.2 hours. There was 4.0 hours of sunshine (27%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 28 » The National Football League announced expansion teams for Dallas to start in the 1960 NFL season and Minneapolis-St. Paul for 1961 NFL season.
February 1 » Four black students stage the first of the Greensboro sit-ins at a lunch counter in Greensboro, North Carolina.
July 11 » Congo Crisis: The State of Katanga breaks away from the Democratic Republic of the Congo.
August 1 » Dahomey (later renamed Benin) declares independence from France.
August 15 » Republic of the Congo (Brazzaville) becomes independent from France.
September 5 » Poet Léopold Sédar Senghor is the first elected President of Senegal.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I8215.php : accessed February 14, 2026), "Adrianus Simon Groenland (1889-1960)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.