The temperature on January 30, 1905 was between 4.9 °C and 7.2 °C and averaged 5.7 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
January 26 » The world's largest diamond ever, the Cullinan weighing 3,106.75 carats (0.621350kg), is found at the Premier Mine near Pretoria in South Africa.
February 5 » In Mexico, the General Hospital of Mexico is inaugurated, started with four basic specialties.
February 23 » Chicago attorney Paul Harris and three other businessmen meet for lunch to form the Rotary Club, the world's first service club.
May 27 » Russo-Japanese War: The Battle of Tsushima begins.
September 1 » Alberta and Saskatchewan join the Canadian confederation.
December 11 » A workers' uprising occurs in Kiev, Ukraine (then part of the Russian Empire), and establishes the Shuliavka Republic.
Day of marriage August 17, 1935
The temperature on August 17, 1935 was between 9.1 °C and 20.3 °C and averaged 15.1 °C. There was 1.1 mm of rain during 0.9 hours. There was 1.2 hours of sunshine (8%). The average windspeed was 1 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
February 2 » Leonarde Keeler administers polygraph tests to two murder suspects, the first time polygraph evidence was admitted in U.S. courts.
March 23 » Signing of the Constitution of the Commonwealth of the Philippines.
May 29 » First flight of the Messerschmitt Bf 109 fighter aeroplane.
June 18 » Police in Vancouver, British Columbia, Canada, clash with striking longshoremen, resulting in a total of 60 injuries and 24 arrests.
September 8 » US Senator from Louisiana Huey Long is fatally shot in the Louisiana State Capitol building.
September 24 » Earl and Weldon Bascom produce the first rodeo ever held outdoors under electric lights.
Day of death April 28, 1989
The temperature on April 28, 1989 was between -0.2 °C and 12.2 °C and averaged 6.0 °C. There was 10.6 hours of sunshine (72%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
When copying data from this family tree, please include a reference to the origin: Gerrit Potman, "Family tree Potman (Markelo)", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-potman/I500083.php : accessed March 1, 2026), "Gerritje Zwarts (1905-1989)".
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