The temperature on May 9, 1870 was about 9.5 °C. The air pressure was 1 kgf/m2 and came mainly from the north-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 76%. Source: KNMI
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).
February 15 » Stevens Institute of Technology is founded in New Jersey, USA and offers the first Bachelor of Engineering degree in Mechanical Engineering.
February 27 » The current flag of Japan is first adopted as the national flag for Japanese merchant ships.
August 2 » Tower Subway, the world's first underground tube railway, opens in London, England, United Kingdom.
August 6 » Franco-Prussian War: The Battle of Wörth results in a decisive Prussian victory.
September 1 » Franco-Prussian War: The Battle of Sedan is fought, resulting in a decisive Prussian victory.
September 18 » Old Faithful Geyser is observed and named by Henry D. Washburn.
Day of marriage May 11, 1900
The temperature on May 11, 1900 was about 8.8 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 67%. Source: KNMI
January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
March 7 » The German liner SSKaiser Wilhelm der Grosse becomes the first ship to send wireless signals to shore.
May 17 » The children's novel The Wonderful Wizard of Oz, by L. Frank Baum, is first published in the United States. The first copy is given to the author's sister.
June 9 » Indian nationalist Birsa Munda dies of cholera in a British prison.
June 21 » Boxer Rebellion. China formally declares war on the United States, Britain, Germany, France and Japan, as an edict issued from the Empress Dowager Cixi.
August 16 » The Battle of Elands River during the Second Boer War ends after a 13-day siege is lifted by the British. The battle had begun when a force of between 2,000 and 3,000 Boers had surrounded a force of 500 Australians, Rhodesians, Canadians and British soldiers at a supply dump at Brakfontein Drift.
When copying data from this family tree, please include a reference to the origin: Wim Willard een Larinees, "Family tree Willard", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-willard/I16408.php : accessed February 20, 2026), "Jan Harm Musters (1870-????)".
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