The temperature on September 18, 1887 was about 12.7 °C. There was 0.4 mm of rain. The air pressure was 21 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 96%. 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 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
April 10 » On Easter Sunday, Pope Leo XIII authorizes the establishment of the Catholic University of America.
April 28 » A week after being arrested by the Prussian Secret Police, French police inspector Guillaume Schnaebelé is released on order of William I, German Emperor, defusing a possible war.
July 6 » David Kalākaua, monarch of the Kingdom of Hawaii, is forced to sign the Bayonet Constitution, which transfers much of the king's authority to the Legislature of the Kingdom of Hawaii.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
October 1 » Balochistan is conquered by the British Empire.
Day of marriage July 15, 1914
The temperature on July 15, 1914 was between 14.2 °C and 27.0 °C and averaged 18.8 °C. There was 2.7 mm of rain. There was 5.6 hours of sunshine (34%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 13 » Copyright: In New York City the American Society of Composers, Authors and Publishers is established to protect the copyrighted musical compositions of its members.
March 1 » The Republic of China joins the Universal Postal Union.
April 20 » Nineteen men, women, and children die in the Ludlow Massacre during a Colorado coal-miners' strike.
September 1 » The last known passenger pigeon, a female named Martha, dies in captivity in the Cincinnati Zoo.
October 29 » Ottoman entry into World War I.
December 16 » World War I: Admiral Franz von Hipper commands a raid on Scarborough, Hartlepool and Whitby.
Day of death January 14, 1965
The temperature on January 14, 1965 was between 3.1 °C and 7.3 °C and averaged 5.2 °C. There was 2.6 mm of rain during 2.3 hours. There was 1.6 hours of sunshine (20%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 17 » Project Ranger: The Ranger 8 probe launches on its mission to photograph the Mare Tranquillitatis region of the Moon in preparation for the manned Apollo missions. Mare Tranquillitatis or the "Sea of Tranquility" would become the site chosen for the Apollo 11 lunar landing.
February 20 » Ranger 8 crashes into the Moon after a successful mission of photographing possible landing sites for the Apollo program astronauts.
March 23 » NASA launches Gemini 3, the United States' first two-man space flight (crew: Gus Grissom and John Young).
September 9 » Hurricane Betsy makes its second landfall near New Orleans, leaving 76 dead and $1.42 billion ($10–12 billion in 2005 dollars) in damages, becoming the first hurricane to cause over $1 billion in unadjusted damage.
September 11 » Indo-Pakistani War: The Indian Army captures the town of Burki, just southeast of Lahore.
December 7 » Pope Paul VI and Patriarch Athenagoras I simultaneously revoke mutual excommunications that had been in place since 1054.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I2149.php : accessed January 2, 2026), "Dorothea Kolb (1887-1965)".
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