The temperature on April 12, 1887 was about 11.6 °C. The air pressure was 4 kgf/m2 and came mainly from the south east. The airpressure was 76 cm mercury. The atmospheric humidity was 54%. 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.
February 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
November 9 » The United States receives rights to Pearl Harbor, Hawaii.
November 13 » Bloody Sunday clashes in central London.
Day of marriage March 31, 1911
The temperature on March 31, 1911 was between 1.8 °C and 14.1 °C and averaged 8.5 °C. There was 3.0 hours of sunshine (23%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
August 29 » Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California.
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
October 5 » The Kowloon–Canton Railway commences service.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
Day of death March 26, 1913
The temperature on March 26, 1913 was between -0.3 °C and 12.8 °C and averaged 6.7 °C. There was 10.1 hours of sunshine (81%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 13 » The 13th Dalai Lama proclaims Tibetan independence following a period of domination by Manchu Qing dynasty and initiated a period of almost four decades of independence.
February 20 » King O'Malley drives in the first survey peg to mark commencement of work on the construction of Canberra.
February 21 » Ioannina is incorporated into the Greek state after the Balkan Wars.
July 12 » Serbian forces begin their siege of the Bulgarian city of Vidin; the siege is later called off when the war ends.
August 13 » First production in the UK of stainless steel by Harry Brearley.
October 14 » Senghenydd colliery disaster, the United Kingdom's worst coal mining accident, claims the lives of 439 miners.
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/I218255.php : accessed October 10, 2026), "Roelf Hummel (1887-1913)".
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