The temperature on July 19, 1889 was about 14.7 °C. The air pressure was 2 kgf/m2 and came mainly from the west. The airpressure was 76 cm mercury. The atmospheric humidity was 91%. Source: KNMI
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
June 29 » Hyde Park and several other Illinois townships vote to be annexed by Chicago, forming the largest United States city in area and second largest in population at the time.
July 8 » The first issue of The Wall Street Journal is published.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
Day of marriage July 21, 1917
The temperature on July 21, 1917 was between 9.0 °C and 19.6 °C and averaged 14.5 °C. There was 13.5 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 31 » World War I: Germany announces that its U-boats will resume unrestricted submarine warfare after a two-year hiatus.
March 11 » World War I: Mesopotamian campaign: Baghdad falls to Anglo-Indian forces commanded by General Stanley Maude.
June 4 » The first Pulitzer Prizes are awarded: Laura E. Richards, Maude H. Elliott, and Florence Hall receive the first Pulitzer for biography (for Julia Ward Howe). Jean Jules Jusserand receives the first Pulitzer for history for his work With Americans of Past and Present Days. Herbert B. Swope receives the first Pulitzer for journalism for his work for the New York World.
July 25 » Sir Robert Borden introduces the first income tax in Canada as a "temporary" measure (lowest bracket is 4% and highest is 25%).
October 26 » First World War: Brazil declares war on the Central Powers.
November 24 » In Milwaukee, nine members of the Milwaukee Police Department are killed by a bomb, the most deaths in a single event in U.S. police history until the September 11 attacks in 2001.
Day of death October 21, 1955
The temperature on October 21, 1955 was between 7.1 °C and 14.3 °C and averaged 11.4 °C. There was 5.3 mm of rain during 2.5 hours. There was 1.4 hours of sunshine (14%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 7 » Contralto Marian Anderson becomes the first person of color to perform at the Metropolitan Opera in Giuseppe Verdi's Un ballo in maschera.
May 14 » Cold War: Eight Communist bloc countries, including the Soviet Union, sign a mutual defense treaty called the Warsaw Pact.
June 16 » In a futile effort to topple Argentine President Juan Perón, rogue aircraft pilots of the Argentine Navy drop several bombs upon an unarmed crowd demonstrating in favor of Perón in Buenos Aires, killing 364 and injuring at least 800. At the same time on the ground, some soldiers attempt to stage a coup but are suppressed by loyal forces.
August 17 » Hurricane Diane made landfall near Wilmington, North Carolina, and it went on to cause major floods and kill more than 184 people.
October 1 » The Xinjiang Uyghur Autonomous Region is established.
November 23 » The Cocos Islands are transferred from the control of the United Kingdom to that of Australia.
When copying data from this family tree, please include a reference to the origin: Klaas Konjer, "Family tree Konjer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-konjer/I2276.php : accessed January 27, 2026), "Jan Westra (1889-1955)".
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