The temperature on June 5, 1884 was about 15.0 °C. The air pressure was 1 kgf/m2 and came mainly from the north. The airpressure was 76 cm mercury. The atmospheric humidity was 64%. 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.
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.
October 13 » The International Meridian Conference establishes the meridian of the Greenwich Observatory as the prime meridian.
October 14 » George Eastman receives a U.S. Government patent on his new paper-strip photographic film.
November 1 » The Gaelic Athletic Association is set up in Hayes's Hotel in Thurles, County Tipperary.
December 6 » The Washington Monument in Washington, D.C., is completed.
Day of death March 19, 1966
The temperature on March 19, 1966 was between -0.1 °C and 8.6 °C and averaged 4.8 °C. There was 5.6 hours of sunshine (46%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
April 21 » Rastafari movement: Haile Selassie of Ethiopia visits Jamaica, an event now celebrated as Grounation Day.
June 8 » Topeka, Kansas, is devastated by a tornado that registers as an "F5" on the Fujita scale: The first to exceed US$100million in damages. Sixteen people are killed, hundreds more injured, and thousands of homes damaged or destroyed.
July 15 » Vietnam War: The United States and South Vietnam begin Operation Hastings to push the North Vietnamese out of the Vietnamese Demilitarized Zone.
July 18 » Human spaceflight: Gemini 10 is launched from Cape Kennedy on a 70-hour mission that includes docking with an orbiting Agena target vehicle.
September 16 » The Metropolitan Opera House opens at Lincoln Center in New York City with the world premiere of Samuel Barber's opera Antony and Cleopatra.
December 27 » The Cave of Swallows, the largest known cave shaft in the world, is discovered in Aquismón, San Luis Potosí, Mexico.
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/I8491.php : accessed September 29, 2026), "Ybeltje de Haan (1884-1966)".
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