The temperature on April 29, 1917 was between 7.2 °C and 13.3 °C and averaged 9.5 °C. There was 0.7 hours of sunshine (5%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 24 » World War I: The U.S. ambassador Walter Hines Page to the United Kingdom is given the Zimmermann Telegram, in which Germany pledges to ensure the return of New Mexico, Texas, and Arizona to Mexico if Mexico declares war on the United States.
March 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
June 5 » World War I: Conscription begins in the United States as "Army registration day".
August 28 » Ten Suffragettes are arrested while picketing the White House.
September 26 » World War I: The Battle of Polygon Wood begins.
November 26 » The Manchester Guardian publishes the 1916 secret Sykes-Picot Agreement between the United Kingdom and France.
Day of death May 2, 1966
The temperature on May 2, 1966 was between 10.5 °C and 25.9 °C and averaged 18.0 °C. There was 13.4 hours of sunshine (90%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
February 3 » The Soviet Union's Luna 9 becomes the first spacecraft to make a soft landing on the Moon, and the first spacecraft to take pictures from the surface of the Moon.
May 16 » The Communist Party of China issues the "May 16 Notice", marking the beginning of the Cultural Revolution.
May 26 » British Guiana gains independence, becoming Guyana.
July 6 » Malawi becomes a republic, with Hastings Banda as its first President.
September 12 » Gemini 11, the penultimate mission of NASA's Gemini program, and the current human altitude record holder (except for the Apollo lunar missions).
October 14 » The city of Montreal begins the operation of its underground Montreal Metro rapid transit system.
When copying data from this family tree, please include a reference to the origin: Louis Kramer, "Kramer Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kramer_stamboom/I589231.php : accessed January 17, 2026), "Jan ( Jan) Perfors (1917-1966)".
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