The temperature on February 23, 1887 was about 7.8 °C. The air pressure was 38 kgf/m2 and came mainly from the south-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 83%. 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.
January 20 » The United States Senate allows the Navy to lease Pearl Harbor as a naval base.
February 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
February 8 » The Dawes Act authorizes the President of the United States to survey Native American tribal land and divide it into individual allotments.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
June 23 » The Rocky Mountains Park Act becomes law in Canada creating the nation's first national park, Banff National Park.
July 4 » The founder of Pakistan, Quaid-i-Azam Muhammad Ali Jinnah, joins Sindh-Madrasa-tul-Islam, Karachi.
Day of marriage October 29, 1914
The temperature on October 29, 1914 was between 5.7 °C and 9.9 °C and averaged 8.4 °C. There was 3.9 mm of rain. There was 0.3 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
April 9 » Mexican Revolution: One of the world's first naval/air skirmishes takes place off the coast of western Mexico.
August 17 » World War I: Battle of Stallupönen: The German army of General Hermann von François defeats the Russian force commanded by Paul von Rennenkampf near modern-day Nesterov, Russia.
August 24 » World War I: The Battle of Cer ends as the first Allied victory in the war.
August 25 » World War I: Japan declares war on Austria-Hungary.
August 28 » World War I: The Royal Navy defeats the German fleet in the Battle of Heligoland Bight.
November 23 » Mexican Revolution: The last of U.S. forces withdraw from Veracruz, occupied seven months earlier in response to the Tampico Affair.
Day of death May 31, 1962
The temperature on May 31, 1962 was between 3.2 °C and 12.3 °C and averaged 8.8 °C. There was 12.3 hours of sunshine (75%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 15 » The Derveni papyrus, Europe's oldest surviving manuscript dating to 340 BC, is found in northern Greece.
May 10 » Marvel Comics publishes the first issue of The Incredible Hulk.
July 11 » Project Apollo: At a press conference, NASA announces lunar orbit rendezvous as the means to land astronauts on the Moon, and return them to Earth.
September 8 » Last run of the famous Pines Express over the Somerset and Dorset Railway line (UK) fittingly using the last steam locomotive built by British Railways, BR Standard Class 9F 92220 Evening Star.
October 14 » The Cuban Missile Crisis begins when an American reconnaissance aircraft takes photographs of Soviet ballistic missiles being installed in Cuba.
October 25 » Cuban Missile Crisis: Adlai Stevenson shows the United Nations Security Council reconnaissance photographs of Soviet ballistic missiles in Cuba.
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/I345441.php : accessed February 25, 2026), "Wanderdina Pottgieters (1887-1962)".
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