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 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
December 30 » The British Colony of Natal annexes Zululand.
Day of marriage June 20, 1926
The temperature on June 20, 1926 was between 10.6 °C and 21.1 °C and averaged 16.7 °C. There was 5.8 hours of sunshine (35%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 8 » Crown Prince Nguyễn Phúc Vĩnh Thuỵ ascends the throne to become the last monarch of Vietnam.
August 6 » Gertrude Ederle becomes the first woman to swim across the English Channel.
August 20 » Japan's public broadcasting company, Nippon Hōsō Kyōkai (NHK) is established.
September 8 » Germany is admitted to the League of Nations.
September 25 » The international Convention to Suppress the Slave Trade and Slavery is first signed.
December 17 » Antanas Smetona assumes power in Lithuania as the 1926 coup d'état is successful.
Day of death December 14, 1971
The temperature on December 14, 1971 was between 2.3 °C and 7.8 °C and averaged 5.6 °C. There was -0.1 mm of rain. There was 5.5 hours of sunshine (71%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 2 » The second Ibrox disaster kills 66 fans at a Rangers-Celtic association football (soccer) match.
April 17 » The Provisional Government of Bangladesh is formed.
May 20 » In the Chuknagar massacre, Pakistani forces massacre thousands, mostly Bengali Hindus.
May 26 » Bangladesh Liberation War: The Pakistan Army slaughters at least 71 Hindus in Burunga, Sylhet, Bangladesh.
June 11 » The U.S. Government forcibly removes the last holdouts to the Native American Occupation of Alcatraz, ending 19 months of control.
November 18 » Oman declares its independence from United Kingdom.
Day of burial December 17, 1971
The temperature on December 17, 1971 was between -1.5 °C and 2.6 °C and averaged 0.5 °C. There was -0.1 mm of rain. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
February 15 » The decimalisation of British coinage is completed on Decimal Day.
March 1 » President of Pakistan Yahya Khan indefinitely postpones the pending national assembly session, precipitating massive civil disobedience in East Pakistan.
September 3 » Qatar becomes an independent state.
September 11 » The Egyptian Constitution becomes official.
October 27 » The Democratic Republic of the Congo is renamed Zaire.
December 14 » Bangladesh Liberation War: Over 200 of East Pakistan's intellectuals are executed by the Pakistan Army and their local allies. (The date is commemorated in Bangladesh as Martyred Intellectuals Day.)
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I422227.php : accessed March 16, 2026), "Martha Gyselinck (1897-1971)".
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.