The temperature on February 29, 1868 was about 14.3 °C. The air pressure was 15 kgf/m2 and came mainly from the southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 55%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
April 10 » At Arogee in Abyssinia, British and Indian forces defeat an army of Emperor Tewodros II. While 700 Ethiopians are killed and many more injured, only two British/Indian troops die.
May 14 » Boshin War: The Battle of Utsunomiya Castle ends as former Tokugawa shogunate forces withdraw northward.
May 16 » The United States Senate fails to convict President Andrew Johnson by one vote.
May 29 » Mihailo Obrenović III, Prince of Serbia is assassinated.
June 23 » Christopher Latham Sholes received a patent for an invention he called the "Type-Writer".
August 18 » French astronomer Pierre Janssen discovers helium.
Day of marriage August 6, 1898
The temperature on August 6, 1898 was about 17.8 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 86%. Source: KNMI
June 13 » Yukon Territory is formed, with Dawson chosen as its capital.
June 22 » Spanish–American War: In a chaotic operation, 6,000 men of the U.S. Fifth Army Corps begins landing at Daiquirí, Cuba, about 16 miles (26km) east of Santiago de Cuba. Lt. Gen. Arsenio Linares y Pombo of the Spanish Army outnumbers them two-to-one, but does not oppose the landings.
August 24 » Count Muravyov, Foreign Minister of Russia presents a rescript that convoked the First Hague Peace Conference.
September 2 » Battle of Omdurman: British and Egyptian troops defeat Sudanese tribesmen and establish British dominance in Sudan.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
November 5 » Negrese nationalists revolt against Spanish rule and establish the short-lived Republic of Negros.
Day of death February 15, 1961
The temperature on February 15, 1961 was between 1.7 °C and 13.9 °C and averaged 7.2 °C. There was 4.4 hours of sunshine (44%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 9 » British authorities announce they have uncovered the Soviet Portland Spy Ring in London.
February 12 » The Soviet Union launches Venera 1 towards Venus.
March 15 » At the 1961 Commonwealth Prime Ministers' Conference, South Africa announces that it will withdraw from the Commonwealth when the South African Constitution of 1961 comes into effect.
July 23 » The Sandinista National Liberation Front is founded in Nicaragua.
September 16 » The United States National Hurricane Research Project drops eight cylinders of silver iodide into the eyewall of Hurricane Esther. Wind speed reduces by 10%, giving rise to Project Stormfury.
December 19 » India annexes Daman and Diu, part of Portuguese India.
When copying data from this family tree, please include a reference to the origin: Harry Westerman, "Family tree Westerman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-westerman/X2203.php : accessed March 16, 2026), "Harm Blaak (1868-1961)".
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