The temperature on April 14, 1887 was about 2.8 °C. There was 0.2 mm of rain. The air pressure was 10 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 73%. 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.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
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 4 » The founder of Pakistan, Quaid-i-Azam Muhammad Ali Jinnah, joins Sindh-Madrasa-tul-Islam, Karachi.
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.
Day of marriage April 30, 1910
The temperature on April 30, 1910 was between 1.1 °C and 11.3 °C and averaged 6.5 °C. There was 9.2 hours of sunshine (62%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
June 25 » Igor Stravinsky's ballet The Firebird is premiered in Paris, bringing him to prominence as a composer.
August 29 » The Japan–Korea Treaty of 1910, also known as the Japan–Korea Annexation Treaty, becomes effective, officially starting the period of Japanese rule in Korea.
October 1 » A large bomb destroys the Los Angeles Times building, killing 21.
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
December 3 » Modern neon lighting is first demonstrated by Georges Claude at the Paris Motor Show.
Day of death December 1, 1952
The temperature on December 1, 1952 was between -5.4 °C and -0.9 °C and averaged -3.8 °C. There was 3.2 hours of sunshine (39%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
March 15 » In Cilaos, Réunion, 1870mm (73inches) of rain falls in a 24-hour period, setting a new world record (March 15 through March 16).
June 13 » Catalina affair: A Swedish Douglas DC-3 is shot down by a Soviet MiG-15 fighter.
June 17 » Guatemala passes Decree 900, ordering the redistribution of uncultivated land.
August 15 » A flash flood drenches the town of Lynmouth, England, killing 34 people.
October 3 » The United Kingdom successfully tests a nuclear weapon to become the world's third nuclear power.
November 1 » Nuclear weapons testing: The United States successfully detonates Ivy Mike, the first thermonuclear device, at the Eniwetok atoll. The explosion had a yield of ten megatons TNT equivalent.
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/I62529.php : accessed March 2, 2026), "Johannes Karstenberg (1887-1952)".
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