The temperature on September 12, 1910 was between 8.4 °C and 17.8 °C and averaged 12.6 °C. There was 1.9 mm of rain. There was 2.2 hours of sunshine (17%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 1 » Captain David Beatty is promoted to Rear admiral, and becomes the youngest admiral in the Royal Navy (except for Royal family members) since Horatio Nelson.
March 28 » Henri Fabre becomes the first person to fly a seaplane, the Fabre Hydravion, after taking off from a water runway near Martigues, France.
August 22 » Korea is annexed by Japan with the signing of the Japan–Korea Treaty of 1910, beginning a period of Japanese rule of Korea that lasted until the end of World War II.
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.
October 21 » HMSNiobe arrives in Halifax Harbour to become the first ship of the Royal Canadian Navy.
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 marriage July 13, 1939
The temperature on July 13, 1939 was between 6.5 °C and 22.9 °C and averaged 15.4 °C. There was 10.5 hours of sunshine (64%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
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.
March 26 » Spanish Civil War: Nationalists begin their final offensive of the war.
May 14 » Lina Medina becomes the youngest confirmed mother in medical history at the age of five.
May 21 » The Canadian National War Memorial is unveiled by King George VI and Queen Elizabeth in Ottawa, Ontario, Canada.
June 17 » Last public guillotining in France: Eugen Weidmann, a convicted murderer, is executed in Versailles outside the Saint-Pierre prison.
September 2 » World War II: Following the start of the invasion of Poland the previous day, the Free City of Danzig (now Gdańsk, Poland) is annexed by Nazi Germany.
November 26 » Shelling of Mainila: The Soviet Army orchestrates an incident which is used to justify the start of the Winter War with Finland four days later.
Day of death February 28, 1976
The temperature on February 28, 1976 was between 1.5 °C and 12.7 °C and averaged 6.2 °C. There was 8.2 hours of sunshine (76%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
March 16 » British Prime Minister Harold Wilson resigns, citing personal reasons.
March 24 » In Argentina, the armed forces overthrow the constitutional government of President Isabel Perón and start a 7-year dictatorial period self-styled the National Reorganization Process.
April 13 » Forty workers die in an explosion at the Lapua ammunition factory, the deadliest accidental disaster in modern history in Finland.
May 6 » The 6.5 Mw Friuli earthquake affected Northern Italy with a maximum Mercalli intensity of X (Extreme), leaving 900–978 dead and 1,700–2,400 injured.
November 26 » "Anarchy in the U.K.", the debut single of the Sex Pistols, is released, heralding the arrival of punk rock
December 25 » EgyptAir Flight 664, a Boeing 707-366C, crashes on approach to Don Mueang International Airport, killing 71 people.
When copying data from this family tree, please include a reference to the origin: Rik Plomp, "Pedigree Plomp", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plomp/I3087.php : accessed February 23, 2026), "Roelofje de Boer (1910-1976)".
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