The temperature on February 19, 1883 was about 3.7 °C. There was 3 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the south east. The airpressure was 76 cm mercury. The atmospheric humidity was 97%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
January 19 » The first electric lighting system employing overhead wires, built by Thomas Edison, begins service at Roselle, New Jersey.
May 20 » Krakatoa begins to erupt; the volcano explodes three months later, killing more than 36,000 people.
May 24 » The Brooklyn Bridge in New York City is opened to traffic after 14 years of construction.
May 30 » In New York City, a stampede on the recently opened Brooklyn Bridge killed twelve people.
July 10 » War of the Pacific: Chileans led by Alejandro Gorostiaga defeat Andrés Avelino Cáceres's Peruvuan army at the Battle of Huamachuco, hastening the end of the war.
August 17 » The first public performance of the Dominican Republic's national anthem, Himno Nacional.
Day of marriage May 21, 1910
The temperature on May 21, 1910 was between 12.8 °C and 26.9 °C and averaged 19.9 °C. There was 10.7 hours of sunshine (67%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 13 » The first public radio broadcast takes place; a live performance of the operas Cavalleria rusticana and Pagliacci are sent out over the airwaves from the Metropolitan Opera House in New York.
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
June 19 » The first Father's Day is celebrated in Spokane, Washington.
October 14 » English aviator Claude Grahame-White lands his aircraft on Executive Avenue near the White House in Washington, D.C.
October 20 » The hull of the RMSOlympic, sister-ship to the ill-fated RMS Titanic, is launched from the Harland and Wolff shipyard in Belfast.
October 22 » Hawley Harvey Crippen (the first felon to be arrested with the help of radio) is convicted of poisoning his wife.
Day of death April 25, 1964
The temperature on April 25, 1964 was between 6.3 °C and 10.1 °C and averaged 7.8 °C. There was 0.1 mm of rain. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
April 4 » The Beatles occupy the top five positions on the Billboard Hot 100 pop chart.
April 7 » IBM announces the System/360.
June 1 » Kenya becomes a republic with Jomo Kenyatta (1897 – 22 August 1978) as its first President (1964 to 1978).
September 21 » Malta gains independence from the United Kingdom, but remains in the Commonwealth.
November 2 » King Saud of Saudi Arabia is deposed by a family coup, and replaced by his half-brother Faisal.
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.
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/I74952.php : accessed October 5, 2026), "Roel de Boer (1883-1964)".
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.