The temperature on May 21, 1881 was about 15.7 °C. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 70%. 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.
February 27 » First Boer War: The Battle of Majuba Hill takes place.
June 13 » The USS Jeannette is crushed in an Arctic Ocean ice pack.
June 28 » The Austro–Serbian Alliance of 1881 is secretly signed.
July 23 » The Boundary Treaty of 1881 between Chile and Argentina is signed in Buenos Aires.
August 27 » The Georgia hurricane makes landfall near Savannah, Georgia, resulting in an estimated 700 deaths.
October 13 » First known conversation in modern Hebrew by Eliezer Ben-Yehuda and friends.
Day of marriage May 11, 1911
The temperature on May 11, 1911 was between 10.3 °C and 22.5 °C and averaged 16.5 °C. There was 11.2 hours of sunshine (72%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
September 29 » Italy declares war on the Ottoman Empire.
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
Day of death May 27, 1965
The temperature on May 27, 1965 was between 4.8 °C and 16.1 °C and averaged 10.6 °C. There was 12.2 mm of rain during 1.5 hours. There was 3.2 hours of sunshine (20%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
March 6 » Premier Tom Playford of South Australia loses power after 27 years in office.
March 21 » Ranger program: NASA launches Ranger 9, the last in a series of unmanned lunar space probes.
May 1 » Cross-Strait relations: Battle of Dong-Yin, a naval conflict between the Republic of China and the People's Republic of China, takes place.
August 18 » Vietnam War: Operation Starlite begins: United States Marines destroy a Viet Cong stronghold on the Van Tuong peninsula in the first major American ground battle of the war.
October 4 » Pope Paul VI begins the first papal visit to the Americas.
October 28 » Pope Paul VI promulgates Nostra aetate, by which the Church officially recognizes the legitimacy of non-Christian faiths.
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/I60703.php : accessed October 19, 2026), "Hermanus Hansma (1881-1965)".
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