January 22 » Edward VII is proclaimed King after the death of his mother, Queen Victoria.
March 1 » The Australian Army is formed.
August 6 » Kiowa land in Oklahoma is opened for white settlement, effectively dissolving the contiguous reservation.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
August 21 » Six hundred American school teachers, Thomasites, arrived in Manila on the USAT Thomas.
September 7 » The Boxer Rebellion in Qing dynasty (modern-day China) officially ends with the signing of the Boxer Protocol.
Day of marriage May 20, 1926
The temperature on May 20, 1926 was between 5.7 °C and 17.6 °C and averaged 12.1 °C. There was 3.9 hours of sunshine (25%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
April 21 » Al-Baqi cemetery, former site of the mausoleum of four Shi'a Imams, is leveled to the ground by Wahhabis.
April 24 » The Treaty of Berlin is signed. Germany and the Soviet Union each pledge neutrality in the event of an attack on the other by a third party for the next five years.
June 23 » The College Board administers the first SAT exam.
August 6 » In New York City, the Warner Bros.' Vitaphone system premieres with the movie Don Juan starring John Barrymore.
August 20 » Japan's public broadcasting company, Nippon Hōsō Kyōkai (NHK) is established.
October 14 » The children's book Winnie-the-Pooh, by A. A. Milne, is first published.
Day of death November 5, 1978
The temperature on November 5, 1978 was between 6.7 °C and 12.8 °C and averaged 9.6 °C. There was -0.1 mm of rain. There was 0.1 hours of sunshine (1%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
February 17 » The Troubles: The Provisional IRA detonates an incendiary bomb at the La Mon restaurant, near Belfast, killing 12 and seriously injuring 30 others, all Protestants.
April 17 » Mir Akbar Khyber is assassinated, provoking a communist coup d'état in Afghanistan.
April 27 » The Saur Revolution begins in Afghanistan, ending the following morning with the murder of Afghan President Mohammed Daoud Khan and the establishment of the Democratic Republic of Afghanistan.
June 9 » The Church of Jesus Christ of Latter-day Saints opens its priesthood to "all worthy men", ending a 148-year-old policy of excluding black men.
October 16 » Pope John Paul II becomes the first non-Italian pontiff since 1523.
November 23 » The Geneva Frequency Plan of 1975 goes into effect, realigning many of Europe's longwave and mediumwave broadcasting frequencies.
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/I112755.php : accessed October 19, 2026), "Willem Ytsma (1901-1978)".
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