In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
January 1 » Twenty-five nations adopt Sandford Fleming's proposal for standard time (and also, time zones).
February 23 » Sino-French War: French Army gains an important victory in the Battle of Đồng Đăng in the Tonkin region of Vietnam.
May 1 » The original Chicago Board of Trade Building opens for business.
July 1 » The United States terminates reciprocity and fishery agreement with Canada.
August 14 » Japan's first patent is issued to the inventor of a rust-proof paint.
December 28 » Indian National Congress, a political party of India, is founded in Bombay Presidency, British India.
Day of marriage May 16, 1914
The temperature on May 16, 1914 was between 4.8 °C and 19.1 °C and averaged 13.5 °C. There was 13.7 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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.
March 1 » The Republic of China joins the Universal Postal Union.
April 20 » Nineteen men, women, and children die in the Ludlow Massacre during a Colorado coal-miners' strike.
June 12 » Massacre of Phocaea: Turkish irregulars slaughter 50 to 100 Greeks and expel thousands of others in an ethnic cleansing operation in the Ottoman Empire.
July 11 » USSNevada(BB-36) is launched.
September 3 » French composer Albéric Magnard is killed defending his estate against invading German soldiers.
November 7 » The German colony of Kiaochow Bay and its centre at Tsingtao are captured by Japanese forces.
Day of death April 30, 1952
The temperature on April 30, 1952 was between 5.3 °C and 23.6 °C and averaged 15.3 °C. There was 13.0 hours of sunshine (88%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
April 21 » Secretary's Day (now Administrative Professionals' Day) is first celebrated.
April 28 » The Treaty of San Francisco comes into effect, restoring Japanese sovereignty and ending its state of war with most of the Allies of World War II.
May 13 » The Rajya Sabha, the upper house of the Parliament of India, holds its first sitting.
June 26 » The Pan-Malayan Labour Party is founded in Malaya, as a union of statewide labour parties.
September 8 » The Canadian Broadcasting Corporation makes its first televised broadcast on the second escape of the Boyd Gang.
October 14 » Korean War: The Battle of Triangle Hill is the biggest and bloodiest battle of 1952.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I182718.php : accessed December 28, 2025), "Johannes Valkema (1885-1952)".
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