In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
January 21 » The Tati Concessions Land, formerly part of Matabeleland, is formally annexed to the Bechuanaland Protectorate, now Botswana.
March 1 » Electrical engineer Nikola Tesla gives the first public demonstration of radio in St. Louis, Missouri.
April 6 » Salt Lake Temple of The Church of Jesus Christ of Latter-day Saints is dedicated by Wilford Woodruff.
July 9 » Daniel Hale Williams, American heart surgeon, performs the first successful open-heart surgery in United States without anesthesia.
July 22 » Katharine Lee Bates writes "America the Beautiful" after admiring the view from the top of Pikes Peak near Colorado Springs, Colorado.
December 23 » The opera Hansel and Gretel by Engelbert Humperdinck is first performed.
Day of marriage May 28, 1920
The temperature on May 28, 1920 was between 10.2 °C and 21.1 °C and averaged 15.2 °C. There was 6.3 hours of sunshine (39%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. 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.
January 13 » The Reichstag Bloodbath of January 13, 1920, the bloodiest demonstration in German history.
January 19 » The United States Senate votes against joining the League of Nations.
January 23 » The Netherlands refuses to surrender the exiled Kaiser Wilhelm II of Germany to the Allies.
February 2 » The Tartu Peace Treaty is signed between Estonia and Russia.
April 23 » The Grand National Assembly of Turkey (TBMM) is founded in Ankara. The assembly denounces the government of Sultan Mehmed VI and announces the preparation of a temporary constitution.
September 7 » Two newly purchased Savoia flying boats crash in the Swiss Alps en route to Finland where they would serve with the Finnish Air Force, killing both crews.
Day of death March 30, 1960
The temperature on March 30, 1960 was between 5.0 °C and 10.8 °C and averaged 7.4 °C. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 19 » Japan and the United States sign the US–Japan Mutual Security Treaty
January 21 » Avianca Flight 671 crashes at Montego Bay, Jamaica airport, killing 37 people.
February 8 » Queen Elizabeth II of the United Kingdom issues an Order-in-Council, stating that she and her family would be known as the House of Windsor, and that her descendants will take the name Mountbatten-Windsor.
March 22 » Arthur Leonard Schawlow and Charles Hard Townes receive the first patent for a laser.
May 27 » In Turkey, a military coup removes President Celâl Bayar and the rest of the democratic government from office.
August 5 » Burkina Faso, then known as Upper Volta, becomes independent from France.
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/I111431.php : accessed October 23, 2026), "Jan Barkmeyer (1893-1960)".
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