The temperature on April 20, 1868 was about 15.1 °C. There was 1 mm of rain. The air pressure was 22 kgf/m2 and came mainly from the southwest. The airpressure was 74 cm mercury. The atmospheric humidity was 53%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
March 8 » Sakai incident: Japanese samurai kill 11 French sailors in the port of Sakai, Osaka.
August 13 » The 8.5–9.0 Mw Arica earthquake struck southern Peru with a maximum Mercalli intensity of XI (Extreme), causing 25,000+ deaths and a destructive basin wide tsunami that affected Hawaii and New Zealand.
September 25 » The Imperial Russian steam frigate Alexander Nevsky is shipwrecked off Jutland while carrying Grand Duke Alexei Alexandrovich of Russia.
November 2 » Time zone: New Zealand officially adopts a standard time to be observed nationally.
December 9 » The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.
December 24 » The Greek Presidential Guard is established as the royal escort by King George I.
Day of marriage May 28, 1897
The temperature on May 28, 1897 was about 15.3 °C. The airpressure was 75 cm mercury. The atmospheric humidity was 49%. Source: KNMI
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
December 30 » The British Colony of Natal annexes Zululand.
Day of death March 11, 1949
The temperature on March 11, 1949 was between -1.3 °C and 9.5 °C and averaged 3.3 °C. There was 5.7 hours of sunshine (50%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 1 » United Nations cease-fire takes effect in Kashmir from one minute before midnight. War between India and Pakistan stops accordingly.
February 14 » The Asbestos Strike begins in Canada. The strike marks the beginning of the Quiet Revolution in Quebec.
April 1 » Chinese Civil War: The Chinese Communist Party holds unsuccessful peace talks with the Nationalist Party in Beijing, after three years of fighting.
July 1 » The merger of two princely states of India, Cochin and Travancore, into the state of Thiru-Kochi (later re-organized as Kerala) in the Indian Union ends more than 1,000 years of princely rule by the Cochin royal family.
August 24 » The treaty creating the North Atlantic Treaty Organization goes into effect.
November 26 » The Constituent Assembly of India adopts the constitution presented by Dr. B. R. Ambedkar.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I25338.php : accessed February 26, 2026), "Maria Coolen (1868-1949)".
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