The temperature on September 9, 1884 was about 12.7 °C. The air pressure was 1 kgf/m2 and came mainly from the west. The airpressure was 76 cm mercury. The atmospheric humidity was 91%. 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.
April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
May 1 » The Federation of Organized Trades and Labor Unions demands the eight-hour work day 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.
July 5 » Germany takes possession of Cameroon.
Day of death May 11, 1968
The temperature on May 11, 1968 was between 8.2 °C and 13.8 °C and averaged 11.1 °C. There was 0.7 mm of rain during 2.0 hours. There was 0.3 hours of sunshine (2%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 1 » Vietnam War: The execution of Viet Cong officer Nguyễn Văn Lém by South Vietnamese National Police Chief Nguyễn Ngọc Loan is recorded on motion picture film, as well as in an iconic still photograph taken by Eddie Adams.
April 4 » Martin Luther King Jr. is assassinated by James Earl Ray at a motel in Memphis, Tennessee.
August 28 » The police rioted during the Democratic National Convention, beating up anti-war protesters, peaceful demonstrators, innocent bystanders, and members of the press.
October 2 » Mexican President Gustavo Díaz Ordaz orders soldiers to suppress a demonstration of unarmed students, ten days before the start of the 1968 Summer Olympics.
October 14 » Jim Hines becomes the first man ever to break the so-called "ten-second barrier" in the 100-meter sprint with a time of 9.95 seconds.
November 5 » Richard Nixon is elected as 37th President of the United States.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I17937.php : accessed October 16, 2026), "Maria Coleta de Vry (1884-1968)".
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