February 6 » The Permanent Court of Arbitration, an international arbitration court at The Hague, is created when the Senate of the Netherlands ratifies an 1899 peace conference decree.
February 27 » The British Labour Party is founded.
March 7 » The German liner SSKaiser Wilhelm der Grosse becomes the first ship to send wireless signals to shore.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
June 5 » Second Boer War: British soldiers take Pretoria.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
Day of marriage June 30, 1921
The temperature on June 30, 1921 was between 10.4 °C and 16.2 °C and averaged 12.8 °C. There was 0.3 hours of sunshine (2%). 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.
January 16 » The Marxist Left in Slovakia and the Transcarpathian Ukraine holds its founding congress in Ľubochňa.
March 6 » Portuguese Communist Party is founded as the Portuguese Section of the Communist International.
March 8 » Spanish Prime Minister Eduardo Dato Iradier is assassinated while exiting the parliament building in Madrid.
June 15 » Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent.
July 11 » The Red Army captures Mongolia from the White Army and establishes the Mongolian People's Republic.
August 14 » Tannu Uriankhai, later Tuvan People's Republic is established as a completely independent country (which is supported by Soviet Russia).
Day of death May 1, 1983
The temperature on May 1, 1983 was between 9.1 °C and 15.7 °C and averaged 11.1 °C. There was 12.1 mm of rain during 11.8 hours. There was 0.9 hours of sunshine (6%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 1 » The ARPANET officially changes to using TCP/IP, the Internet Protocol, effectively creating the Internet.
January 27 » The pilot shaft of the Seikan Tunnel, the world's longest sub-aqueous tunnel (53.85km) between the Japanese islands of Honshū and Hokkaidō, breaks through.
February 24 » A special commission of the United States Congress condemns the Japanese American internment during World War II.
May 17 » Lebanon, Israel, and the United States sign an agreement on Israeli withdrawal from Lebanon.
August 21 » Philippine opposition leader Benigno Aquino, Jr. is assassinated at the Manila International Airport (now renamed Ninoy Aquino International Airport in his honor).
September 12 » The USSR vetoes a United Nations Security Council Resolution deploring the Soviet destruction of Korean Air Lines Flight 007.
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/I170219.php : accessed October 16, 2026), "Johannes Wilhelmus Kouffeld (1900-1983)".
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