The temperature on April 19, 1870 was about 19.7 °C. The air pressure was 7 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 31%. Source: KNMI
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).
April 20 » U.S. President William McKinley signed a joint resolution to Congress for declaration of war against Spain, beginning the Spanish–American War.
June 13 » Yukon Territory is formed, with Dawson chosen as its capital.
August 23 » The Southern Cross Expedition, the first British venture of the Heroic Age of Antarctic Exploration, departs from London.
October 14 » The steam ship SSMohegan sinks near the Lizard peninsula, Cornwall, killing 106.
November 3 » France withdraws its troops from Fashoda (now in Sudan), ending the Fashoda Incident.
December 18 » Gaston de Chasseloup-Laubat sets the first officially recognized land speed record of 39.245mph (63.159km/h) in a Jeantaud electric car.
Day of death April 15, 1968
The temperature on April 15, 1968 was between 5.4 °C and 17.6 °C and averaged 11.7 °C. There was 5.9 hours of sunshine (43%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
March 16 » General Motors produces its 100 millionth automobile, the Oldsmobile Toronado.
March 16 » Vietnam War: My Lai Massacre occurs; between 347 and 500 Vietnamese villagers (men, women, and children) are killed by American troops.
April 6 » In Richmond, Indiana's downtown district, a double explosion kills 41 and injures 150.
May 25 » The Gateway Arch in St. Louis, Missouri, is dedicated.
September 15 » The Soviet Zond 5 spaceship is launched, becoming the first spacecraft to fly around the Moon and re-enter the Earth's atmosphere.
December 25 » Apollo program: Apollo 8 performs the first successful Trans-Earth injection (TEI) maneuver, sending the crew and spacecraft on a trajectory back to Earth from Lunar orbit.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I290519.php : accessed February 16, 2026), "Roelof Hollander (1870-1968)".
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