The temperature on February 19, 1884 was about 2.5 °C. The air pressure was 2 kgf/m2 and came mainly from the east-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 71%. 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.
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.
April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
May 1 » Moses Fleetwood Walker becomes the first black person to play in a professional baseball game in the United States.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
October 22 » The International Meridian Conference designates the Royal Observatory, Greenwich as the world's prime meridian.
Day of marriage May 21, 1909
The temperature on May 21, 1909 was between 8.3 °C and 25.6 °C and averaged 17.8 °C. There was 13.7 hours of sunshine (86%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
February 12 » The National Association for the Advancement of Colored People (NAACP) is founded.
February 20 » Publication of the Futurist Manifesto in the French journal Le Figaro.
April 14 » A massacre is organized by the Ottoman Empire against the Armenian population of Cilicia.
June 2 » Alfred Deakin becomes Prime Minister of Australia for the third time.
September 30 » The Cunard Line's RMS Mauretania makes a record-breaking westbound crossing of the Atlantic, that will not be bettered for 20 years.
November 18 » Two United States warships are sent to Nicaragua after 500 revolutionaries (including two Americans) are executed by order of José Santos Zelaya.
Day of death September 28, 1959
The temperature on September 28, 1959 was between 3.6 °C and 19.2 °C and averaged 11.8 °C. There was 6.3 hours of sunshine (53%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
April 9 » Project Mercury: NASA announces the selection of the United States' first seven astronauts, whom the news media quickly dub the "Mercury Seven".
August 31 » A parcel bomb sent by Ngô Đình Nhu, younger brother and chief adviser of South Vietnamese President Ngô Đình Diệm, fails to kill King Norodom Sihanouk of Cambodia.
September 12 » The Soviet Union launches a large rocket, Lunik II, at the moon.
September 16 » The first successful photocopier, the Xerox 914, is introduced in a demonstration on live television from New York City.
November 15 » The murders of the Clutter Family in Holcomb, Kansas were discovered, inspiring Truman Capote's non-fiction book In Cold Blood.
December 13 » Archbishop Makarios III becomes the first President of Cyprus.
When copying data from this family tree, please include a reference to the origin: Eva Drenth, "Family tree Diverse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-drenth/I9928.php : accessed March 14, 2026), "Arend Keijzer (1884-1959)".
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