The temperature on December 9, 1895 was about 1.3 °C. There was 0.3 mm of rain. The airpressure was 76 cm mercury. The atmospheric humidity was 92%. Source: KNMI
February 1 » Fountains Valley, Pretoria, the oldest nature reserve in Africa, is proclaimed by President Paul Kruger.
April 24 » Joshua Slocum, the first person to sail single-handedly around the world, sets sail from Boston, Massachusetts aboard the sloop "Spray".
May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
Day of marriage April 15, 1926
The temperature on April 15, 1926 was between 5.8 °C and 19.8 °C and averaged 13.0 °C. There was 0.1 mm of rain. There was 8.0 hours of sunshine (58%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 26 » The first demonstration of the television by John Logie Baird.
March 15 » The dictator Theodoros Pangalos is elected President of Greece without opposition.
May 18 » Evangelist Aimee Semple McPherson disappears in Venice, California.
July 23 » Fox Film buys the patents of the Movietone sound system for recording sound onto film.
September 25 » The international Convention to Suppress the Slave Trade and Slavery is first signed.
October 31 » Last issue of the independent Italian newspaper Il Mondo, thereafter suppressed by the Mussolini regime
Day of death May 6, 1946
The temperature on May 6, 1946 was between 2.5 °C and 20.0 °C and averaged 11.9 °C. There was 11.1 hours of sunshine (73%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
March 19 » French Guiana, Guadeloupe, Martinique, and Réunion become overseas départements of France.
May 4 » In San Francisco Bay, U.S. Marines from the nearby Treasure Island Naval Base stop a two-day riot at Alcatraz Federal Penitentiary. Five people are killed in the riot.
May 7 » Tokyo Telecommunications Engineering (later renamed Sony) is founded.
June 7 » The United Kingdom's BBC returns to broadcasting its television service, which has been off air for seven years because of the Second World War.
July 5 » Micheline Bernardini models the first modern bikini at a swimming pool in Paris.
December 7 » A fire at the Winecoff Hotel in Atlanta, Georgia kills 119 people, the deadliest hotel fire in U.S. history.
When copying data from this family tree, please include a reference to the origin: J.H. Wolf, "Family tree Wolf", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-wolf/I465.php : accessed February 4, 2026), "Rika Wolf (1895-1946)".
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