The temperature on May 18, 1880 was about 13.1 °C. The air pressure was 10 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 37%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
May 11 » Seven people are killed in the Mussel Slough Tragedy, a gun battle in California.
June 7 » War of the Pacific: The Battle of Arica, the assault and capture of Morro de Arica (Arica Cape), ends the Campaña del Desierto (Desert Campaign).
June 29 » France annexes Tahiti, renaming the independent Kingdom of Tahiti as "Etablissements de français de l'Océanie".
July 27 » Second Anglo-Afghan War: Battle of Maiwand: Afghan forces led by Mohammad Ayub Khan defeat the British Army in battle near Maiwand, Afghanistan.
August 14 » Construction of Cologne Cathedral, the most famous landmark in Cologne, Germany, is completed.
December 16 » Outbreak of the First Boer War between the Boer South African Republic and the British Empire.
Day of marriage May 12, 1900
The temperature on May 12, 1900 was about 7.8 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 60%. Source: KNMI
February 9 » The Davis Cup competition is established.
February 27 » The British Labour Party is founded.
March 18 » AFC Ajax Amsterdam, The Netherlands's biggest and most successful football club, was founded.
April 15 » Philippine–American War: Filipino guerrillas launch a surprise attack on U.S. infantry and begin a four-day siege of Catubig, Philippines.
June 20 » Baron Eduard Toll, leader of the Russian Polar Expedition of 1900, departs Saint Petersburg in Russia on the explorer ship Zarya, never to return.
October 9 » The Cook Islands become a territory of the United Kingdom.
Day of death January 17, 1951
The temperature on January 17, 1951 was between 3.5 °C and 8.8 °C and averaged 6.6 °C. There was 15.7 mm of rain during 7.3 hours. The almost completely overcast was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
In The Netherlands , there was from March 15, 1951 to September 2, 1952 the cabinet Drees I, with Dr. W. Drees (PvdA) as prime minister.
February 13 » Korean War: Battle of Chipyong-ni, which represented the "high-water mark" of the Chinese incursion into South Korea, commences.
March 7 » Iranian prime minister Ali Razmara is assassinated by Khalil Tahmasebi, a member of the Islamic fundamentalist Fada'iyan-e Islam, inside a mosque in Tehran.
March 28 » First Indochina War: In the Battle of Mạo Khê, French Union forces, led by World War II hero Jean de Lattre de Tassigny, inflict a defeat on Việt Minh forces commanded by General Võ Nguyên Giáp.
April 23 » Cold War: American journalist William N. Oatis is arrested for espionage by the Communist government of Czechoslovakia.
April 29 » Tibetan delegates to the Central People's Government arrive in Beijing and draft a Seventeen Point Agreement for Chinese sovereignty and Tibetan autonomy.
May 21 » The opening of the Ninth Street Show, otherwise known as the 9th Street Art Exhibition: A gathering of a number of notable artists, and the stepping-out of the post war New York avant-garde, collectively known as the New York School.
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/I58394.php : accessed February 12, 2026), "Tettje Sipma (1880-1951)".
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