The temperature on May 12, 1891 was about 17.7 °C. The air pressure was 1 kgf/m2 and came mainly from the north-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 81%. Source: KNMI
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
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 29 » Liliuokalani is proclaimed the last monarch and only queen regnant of the Kingdom of Hawaii.
March 10 » Almon Strowger patents the Strowger switch, a device which led to the automation of telephone circuit switching.
May 16 » The International Electrotechnical Exhibition opens in Frankfurt, Germany, and will feature the world's first long-distance transmission of high-power, three-phase electric current (the most common form today).
May 20 » History of cinema: The first public display of Thomas Edison's prototype kinetoscope.
August 18 » Major hurricane strikes Martinique, leaving 700 dead.
August 24 » Thomas Edison patents the motion picture camera.
Day of marriage May 7, 1910
The temperature on May 7, 1910 was between 3.2 °C and 10.7 °C and averaged 6.5 °C. There was 4.4 mm of rain. There was 7.5 hours of sunshine (49%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
February 8 » The Boy Scouts of America is incorporated by William D. Boyce.
July 4 » The Johnson–Jeffries riots occur after African-American boxer Jack Johnson knocks out white boxer Jim Jeffries in the 15th round. Between 11 and 26 people are killed and hundreds more injured.
October 1 » A large bomb destroys the Los Angeles Times building, killing 21.
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
October 20 » The hull of the RMSOlympic, sister-ship to the ill-fated RMS Titanic, is launched from the Harland and Wolff shipyard in Belfast.
November 21 » Sailors on board Brazil's warships including the Minas Gerais, São Paulo, and Bahia, violently rebel in what is now known as the Revolta da Chibata (Revolt of the Lash).
Day of death March 8, 1940
The temperature on March 8, 1940 was between -2.7 °C and 4.4 °C and averaged 0.2 °C. There was 0.1 mm of rain. There was 2.2 hours of sunshine (19%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
June 3 » Franz Rademacher proposes plans to make Madagascar the "Jewish homeland", an idea that had first been considered by 19th century journalist Theodor Herzl.
June 3 » World War II: The Battle of Dunkirk ends with a German victory and with Allied forces in full retreat.
July 20 » California opens its first freeway, the Arroyo Seco Parkway.
August 5 » World War II: The Soviet Union formally annexes Latvia.
August 8 » The "Aufbau Ost" directive is signed by Wilhelm Keitel.
December 14 » Plutonium (specifically Pu-238) is first isolated at Berkeley, California.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I217852.php : accessed February 4, 2026), "Jan Wekema (1891-1940)".
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