The temperature on July 31, 1910 was between 14.9 °C and 22.1 °C and averaged 17.5 °C. There was 3.9 mm of rain. There was 3.1 hours of sunshine (20%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
February 8 » The Boy Scouts of America is incorporated by William D. Boyce.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
September 12 » Premiere performance of Gustav Mahler's Symphony No. 8 in Munich (with a chorus of 852 singers and an orchestra of 171 players. Mahler's rehearsal assistant conductor was Bruno Walter).
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.
November 23 » Johan Alfred Ander becomes the last person to be executed in Sweden.
Day of marriage June 18, 1936
The temperature on June 18, 1936 was between 14.5 °C and 29.5 °C and averaged 22.6 °C. There was 13.2 hours of sunshine (79%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
June 15 » First flight of the Vickers Wellington bomber.
July 21 » Spanish Civil War: The Central Committee of Antifascist Militias of Catalonia is constituted, establishing an anarcho-syndicalist economy in Catalonia.
July 23 » In Catalonia, Spain, the Unified Socialist Party of Catalonia is founded through the merger of Socialist and Communist parties.
September 9 » The crews of Portuguese Navy frigate NRPAfonso de Albuquerque and destroyer Dão mutinied against the Salazar dictatorship's support of General Franco's coup and declared their solidarity with the Spanish Republic.
November 30 » In London, the Crystal Palace is destroyed by fire.
December 13 » An annular solar eclipse occurred and was visible from Australia, New Zealand on December 14th (Monday), and Oeno Island in Pitcairn Islands on December 13th (Sunday).
Day of death October 1, 1976
The temperature on October 1, 1976 was between 13.3 °C and 19.4 °C and averaged 15.9 °C. There was 6.4 mm of rain during 1.6 hours. There was 0.4 hours of sunshine (3%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-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.
January 3 » The International Covenant on Economic, Social and Cultural Rights, adopted by the United Nations General Assembly, comes into force.
February 27 » The formerly Spanish territory of Western Sahara, under the auspices of the Polisario Front declares independence as the Sahrawi Arab Democratic Republic.
March 9 » Forty-two people die in the Cavalese cable car disaster, the worst cable-car accident to date.
July 19 » Sagarmatha National Park in Nepal is created.
August 18 » In the Korean Demilitarized Zone at Panmunjom, the Axe murder incident results in the death of two US soldiers.
The temperature on October 5, 1976 was between 8.2 °C and 16.0 °C and averaged 12.5 °C. There was -0.1 mm of rain. There was 8.2 hours of sunshine (72%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
June 16 » Soweto uprising: A non-violent march by 15,000 students in Soweto, South Africa, turns into days of rioting when police open fire on the crowd.
July 21 » Christopher Ewart-Biggs, the British ambassador to the Republic of Ireland, is assassinated by the Provisional IRA.
July 29 » In New York City, David Berkowitz (a.k.a. the "Son of Sam") kills one person and seriously wounds another in the first of a series of attacks.
August 18 » In the Korean Demilitarized Zone at Panmunjom, the Axe murder incident results in the death of two US soldiers.
September 16 » Armenian champion swimmer Shavarsh Karapetyan saves 20 people from a trolleybus that had fallen into a Yerevan reservoir.
December 3 » An assassination attempt is made on Bob Marley in Kingston, Jamaica just two days before the "Smile Jamaica", a free concert.
When copying data from this family tree, please include a reference to the origin: Freek van Loon, "Family tree Van Loon", database, Genealogy Online (https://www.genealogieonline.nl/van-loon-stamboom/I152.php : accessed February 2, 2026), "Johannes Ignatius "Jan" Warmerdam (1910-1976)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.