April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
Day of marriage May 27, 1922
The temperature on May 27, 1922 was between 6.7 °C and 20.9 °C and averaged 14.3 °C. There was 13.5 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 11 » First use of insulin to treat diabetes in a human patient.
March 15 » After Egypt gains nominal independence from the United Kingdom, Fuad I becomes King of Egypt.
May 19 » The Young Pioneer Organization of the Soviet Union is established.
June 17 » Portuguese naval aviators Gago Coutinho and Sacadura Cabral complete the first aerial crossing of the South Atlantic.
June 30 » In Washington D.C., U.S. Secretary of State Charles Evans Hughes and Dominican Ambassador Francisco J. Peynado sign the Hughes–Peynado agreement, which ends the United States occupation of the Dominican Republic.
October 19 » British Conservative MPs vote to terminate the coalition government with the Liberal Party.
Day of death January 5, 1993
The temperature on January 5, 1993 was between -1.9 °C and 5.4 °C and averaged 1.6 °C. There was 9.1 mm of rain during 9.9 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
April 23 » Eritreans vote overwhelmingly for independence from Ethiopia in a United Nations-monitored referendum.
April 30 » CERN announces World Wide Web protocols will be free.
May 29 » The Miss Sarajevo beauty pageant is held in war-torn Sarajevo drawing global attention to the plight of its citizens.
June 12 » An election takes place in Nigeria and is won by Moshood Kashimawo Olawale Abiola. Its results are later annulled by the military Government of Ibrahim Babangida.
August 31 » Russia completes removing its troops from Lithuania.
October 4 » Battle of Mogadishu occurs killing 18 U.S. Special Forces, two UN Peacekeepers and at least 600 Somalian militia men and civilians.
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/I75615.php : accessed August 28, 2026), "Jantje Boonstra (1897-1993)".
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