The temperature on May 31, 1884 was about 15.9 °C. The air pressure was 11 kgf/m2 and came mainly from the northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 60%. Source: KNMI
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.
February 1 » The first volume (A to Ant) of the Oxford English Dictionary is published.
March 13 » The Siege of Khartoum begins. It lasts until January 26, 1885.
March 27 » A mob in Cincinnati, Ohio, attacks members of a jury which had returned a verdict of manslaughter in what was seen as a clear case of murder; over the next few days the mob would riot and eventually destroy the courthouse.
May 1 » Moses Fleetwood Walker becomes the first black person to play in a professional baseball game in the United States.
July 5 » Germany takes possession of Cameroon.
December 10 » Mark Twain's Adventures of Huckleberry Finn is published.
Day of marriage May 21, 1910
The temperature on May 21, 1910 was between 12.8 °C and 26.9 °C and averaged 19.9 °C. There was 10.7 hours of sunshine (67%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
May 31 » The South Africa Act comes into force, establishing the Union of South Africa.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
July 4 » The Johnson–Jeffries riots occur after African-American boxer Jack Johnson knocks out white boxer Jim Jeffries in the 15th round. Between 11 and 26 people are killed and hundreds more injured.
July 16 » John Robertson Duigan makes the first flight of the Duigan pusher biplane, the first aircraft built in Australia.
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.
Day of death June 12, 1958
The temperature on June 12, 1958 was between 8.5 °C and 13.3 °C and averaged 11.1 °C. There was 1.6 hours of sunshine (10%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
March 24 » Rock 'n' roll teen idol Elvis Presley is drafted in the U.S. Army.
June 1 » Charles de Gaulle comes out of retirement to lead France by decree for six months.
August 17 » Pioneer 0, America's first attempt at lunar orbit, is launched using the first Thor-Able rocket and fails. Notable as one of the first attempted launches beyond Earth orbit by any country.
August 23 » Chinese Civil War: The Second Taiwan Strait Crisis begins with the People's Liberation Army's bombardment of Quemoy.
October 7 » The U.S. manned space-flight project is renamed Project Mercury.
November 28 » First successful flight of SM-65 Atlas; the first operational intercontinental ballistic missile (ICBM), developed by the United States and the first member of the Atlas rocket family.
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/I156593.php : accessed October 17, 2026), "Hendrik Gerritsen (1884-1958)".
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